Class / Patent application number | Description | Number of patent applications / Date published |
530333000 | Synthesis of peptides | 89 |
20080287654 | PEPTIDE MEDIATED SYNTHESIS OF METALLIC AND MAGNETIC MATERIALS - The present invention includes methods for producing magnetic nanocrystals by using a biological molecule that has been modified to possess an amino acid oligomer that is capable of specific binding to a magnetic material. | 11-20-2008 |
20090036649 | Methods for arbitrary peptide synthesis - Methods, apparatus, systems, computer programs and computing devices related to biologically assembling and/or synthesizing peptides and/or proteins are disclosed. | 02-05-2009 |
20090131635 | Method for synthesizing polymer on substrate - For synthesizing a polymer, a substrate is placed within a reaction chamber, and a polymer synthesis sample is fed into the reaction chamber for forming the polymer on the substrate. In addition, the reaction chamber is shaken during formation of the polymer on the substrate within the reaction chamber for increased reaction yield. In addition, forming bubbles of the inactive gas in the polymer synthesis sample during formation of the polymer on the substrate further increases reaction yield. | 05-21-2009 |
20090131636 | TARGETING VECTOR-PHOSPHOLIPID CONJUGATES - Peptide vectors having high KDR binding affinity and processes for making such vectors are provided. The peptide vectors may be conjugated to phospholipids and included in ultrasound contrast agent compositions. Such ultrasound contrast agents are particularly useful in therapeutic and diagnostic methods, such as in imaging KDR-containing tissue and in the evaluation and treatment of angiogenic processes associated with neoplastic conditions. The present invention also provides processes for the large scale production of highly pure dimeric and monomeric peptide phospholipid conjugates as well as precursor materials used to form the conjugates. The present invention further provides processes for the large scale production of highly pure peptide phospholipid conjugates which contain very low levels of TFA. | 05-21-2009 |
20090264619 | METAL-CATALYZED COPOLYMERIZATION OF IMINES AND CARBON MONOXIDE AS A ROUTE TO SYNTHESIZE POLYPEPTIDES - Polypeptides of formula (I): | 10-22-2009 |
20090275731 | METHOD FOR PRODUCING PROTEIN - It has been required to refold an inactive protein into an active protein with high efficacy. This problem can be solved by the method for producing a protein including a step of providing a porous body supporting an inactive protein in its mesopores, a step of applying a denaturant to the porous body supporting the inactive protein, and a step of changing the inactive protein to an active protein by removing the denaturant from the porous body. | 11-05-2009 |
20090281279 | Rigidized trimethine cyanine dyes - Disclosed are analogues of trimethine cyanine dyes, which are useful for importing fluorescent properties to target materials by covalent and non-covalent association. | 11-12-2009 |
20090281280 | Versatile tRNA Acylation Catalytic RNAs and Uses Thereof - An object of the present invention is to provide novel ribozyme systems capable of catalyzing tRNA acylation using various carboxylic acids as acyl donors and uses thereof. | 11-12-2009 |
20090312522 | SYNTHETIC ACTIVE PEPTIDE FRAGMENTS - The present invention relates to peptide fragments which have one or more shared and/or similar amino acid sequences to amino acid sequences of specific portions of the 14 kDa protein of | 12-17-2009 |
20090318669 | Novel Isodipeptide - An isodipeptide of the following formula (1) which is a useful synthetic unit for the effective synthetic method for a polypeptide and the like: | 12-24-2009 |
20100041869 | IONIC LIQUID SUPPORTED SYNTHESIS - The present invention relates to ionic liquids for use in chemical applications and capable of serving the dual function of solvent and liquid support. The ionic liquid lends itself to a method of synthesizing oligomers selected from the group consisting of oligopeptides, oligosaccharides and oligonucleotides, comprising contacting a first monomer unit with an ionic liquid at reaction conditions to provide an ionic liquid bound monomer unit; and contacting the ionic liquid bound monomer unit with at least one further monomer unit at reaction conditions to provide an ionic liquid bound oligomer comprising from 2 to 30 monomer units. The method lends itself to large scale manufacture of oligopeptides, oligosaccharides and oligonucleotides. | 02-18-2010 |
20100113741 | Composition, method and use of bi-functional biomaterials - The present invention includes a bifunctional specificity structure that includes a peptide linker having a first and a second binding domain, wherein the first binding domain is selective for a first biomaterial and the second binding domain is selective for a second biomaterial. The present invention also includes a method of making and identifying the bifunctional structure of the present invention and methods of using the same. | 05-06-2010 |
20100121029 | ANTI-HIV IMMUNOGENIC FORMULATION AND PROCESS FOR PREPARATION THEREOF - A process is disclosed for preparation of a immunogenic peptide mixture in a single synthesis. The peptide mixture collectively represents the in vivo variability seen in immunogenic epitopes from an HIV pathogen. The mixture is termed a hypervariable epitope construct (HEC). Immunization with a HEC evokes broadly reactive immunity against divergent strains of a pathogen upon which the HEC is based. | 05-13-2010 |
20100184952 | METHOD FOR SELECTIVE REMOVAL OF DIBENZOFULVENE DERIVATIVE - Method of removing dibenzofulvene and/or a dibenzofulvene amine adduct from a reaction mixture obtained by reacting an amino acid compound protected with an Fmoc group with an amine for deprotection, include stirring and partitioning the reaction mixture in a hydrocarbon solvent and a polar organic solvent, and removing a resulting hydrocarbon solvent layer in which the dibenzofulvene and/or the dibenzofulvene amine adduct is dissolved. The hydrocarbon solvent may have a carbon number of at least 5; the polar organic solvent may be free from organic amide solvents; and the polar organic solvent may immiscible with the hydrocarbon solvent. | 07-22-2010 |
20110098445 | COVALENT ATTACHMENT OF PEPTIDES AND BIOLOGICAL MOLECULES TO LUMINESCENT SEMICONDUCTOR NANOCRYSTALS - A method for covalent attachment of peptides to luminescent quantum dots or other inorganic nanoparticles. The first step in the method involves functionalizing at least a portion of a surface of the quantum dot or nanoparticle with one or more materials having at least one reactive functional group therein. Subsequently, a peptide having a reactive functional group is reacted with at least some of the quantum dot or nanoparticle reactive functional groups to covalently bond at least some of the peptide to the quantum dots or nanoparticles. Modifications of the basic method are disclosed which provide methods allowing customized fabrication of quantum dots having a variety of different functional properties and combinations of functional properties. Also disclosed are quantum dots and nanoparticles made by the methods of the present invention. | 04-28-2011 |
20110230641 | PREPARATION OF ALKENES BY MILD THERMOLYSIS OF SULFOXIDES - Embodiments of this disclosure, among others, encompass methods for generating alkenes under mild thermolytic conditions that can provide almost total conversion of a precursor compound to an alkene without isomerization or the need to chromatographically purify the final product By selectively blocking the amino and carboxy groups of the deπvatized amino acid, the methods of the disclosure provide for the synthesis of a peptide having the vinylglycine moiety at either the carboxy or the amino terminus of the peptide The mild conditions for the thermolytic removal of an o-NO | 09-22-2011 |
20110301327 | EPITOPE ANALOGS - Some embodiments relate to analogs of peptides corresponding to class I MHC-restricted T cell epitopes and methods for their generation. These analogs can contain amino acid substitutions at residues that directly interact with MHC molecules, and can confer improved, modified or useful immunologic properties. Additionally classes of analogs, in which the various substitutions comprise the non-standard residues norleucine and/or norvaline, are disclosed. | 12-08-2011 |
20120101256 | MULTISPECIFIC PEPTIDES - The invention relates to a method for providing a multispecific peptide ligand comprising a polypeptide covalently linked to a molecular scaffold at three or more amino acid residues and capable of binding to two or more separate targets, comprising the steps of: (a) providing a first repertoire of polypeptides, each polypeptide comprising two or more reactive groups capable of covalent linkage to a molecular scaffold, and at least one loop which comprises a sequence of two or more amino acids subtended between two of said reactive groups; (b) providing a second repertoire of polypeptides as described in (a); (c) joining at least one loop of one or more members of the first repertoire to at least one loop of one or more members of the second repertoire to form at least one polypeptide comprising two loops, and (d) conjugating the composite polypeptide(s) to a molecular scaffold at at least three amino acid positions. | 04-26-2012 |
20120253011 | Native Chemical Ligation at Serine and Threonine Sites - A chemoselective chemical ligation method is disclosed. The method joins two peptide segments efficiently to produce a larger peptide or protein, by generating a natural peptide bond (Xaa-Ser and Xaa-Thr) at the ligation site (Xaa represents any 5 amino acid). The method requires two steps (FIG. | 10-04-2012 |
20130211046 | Stabilized Compounds Having Secondary Structure Motifs - The present invention provides novel stabilized crosslinked compounds having secondary structure motifs, libraries of these novel compounds, and methods for the synthesis of these compounds libraries thereof. The synthesis of these novel stabilized compounds involves (1) synthesizing a peptide from a selected number of natural or non-natural amino acids, wherein said peptide comprises at least two moieties capable of undergoing reaction to promote carbon-carbon bond formation; and (2) contacting said peptide with a reagent to generate at least one crosslinker and to effect stabilization of a secondary structure motif. The present invention, in a preferred embodiment, provides stabilized p53 donor helical peptides. Additionally, the present invention provides methods for disrupting the p53/MDM2 binding interaction comprising (1) providing a crosslinked stabilized α-helical structure; and (2) contacting said crosslinked stabilized α-helical structure with MDM2. | 08-15-2013 |
20130281664 | NOVEL RUTHENIUM COMPLEXES AND THEIR USES IN PROCESSES FOR FORMATION AND/OR HYDROGENATION OF ESTERS, AMIDES AND DERIVATIVES THEREOF - The present invention relates to novel Ruthenium catalysts and related borohydride complexes, and the use of such catalysts, inter alia, for (1) hydrogenation of amides (including polyamides) to alcohols and amines; (2) preparing amides from alcohols with amines (including the preparation of polyamides (e.g., polypeptides) by reacting dialcohols and diamines and/or by polymerization of amino alcohols); (3) hydrogenation of esters to alcohols (including hydrogenation of cyclic esters (lactones) or cyclic di-esters (di-lactones) or polyesters); (4) hydrogenation of organic carbonates (including polycarbonates) to alcohols and hydrogenation of carbamates (including polycarbamates) or urea derivatives to alcohols and amines; (5) dehydrogenative coupling of alcohols to esters; (6) hydrogenation of secondary alcohols to ketones; (7) amidation of esters (i.e., synthesis of amides from esters and amines); (8) acylation of alcohols using esters; (9) coupling of alcohols with water to form carboxylic acids; and (10) dehydrogenation of beta-amino alcohols to form pyrazines. The present invention further relates to the novel uses of certain pyridine Ruthenium catalysts. | 10-24-2013 |
20130345396 | ANGIOTENSIN CONVERTING ENZYME INHIBITORY PEPTIDE - To provide ACE inhibitory peptides which can effectively inhibit ACE by a small amount of ingestion and have no fear of causing side effects and which can be orally ingested easily during daily life by persons having high blood pressure, and compositions comprising the peptides. The peptides represented by the following structural formulae (1) to (9), and salts thereof are provided. (1) Asp-Arg-Pro, (2) Asn-Trp, (3) Val-Gly-Leu, (4) Ile-Gly-Val, (5) Gly-Val-Pro, (6) Ile-Pro-Tyr, (7) pyroGlu-Pro, (8) Tyr-Thr, (9) Pro-Trp | 12-26-2013 |
20140135478 | MATERIAL FOR SUPPORTED SYNTHESIS AND METHOD FOR GROWING OLIGONUCLEOTIDES OR PEPTIDES - The invention concerns a material composed of a porous support on which functionalized nanoparticles are grafted by covalent bonding, characterized in that at least part of the nanoparticles grafted by covalent bonding is housed inside surface pores of the support, and in that the support is silica-based and is in the form of porous particles of heterogeneous shape and size, the size of the particles being larger than 1 μm and preferably within the range of 5 to 200 μm. | 05-15-2014 |
20140357841 | Method for stabilizing polypeptide into alpha helix - A method for stabilizing an alpha helix of a polypeptide includes steps of: (1) connecting an unnatural amino acid to an amino terminus of the polypeptide and end-capping via an acetylation; (2) processing a product of the step (1) with a thiolene reaction and obtaining a polypeptide compound having a modification of thioether side chains; (3) oxidizing the polypeptide compound having the modification of the thioether side chains, and obtaining a polypeptide compound having a modification of R-configured sulfoxide side chains or S-configured sulfoxide side chains; (4) separating and purifying a product of the step (3), and obtaining the modification of the R-configured sulfoxide side chains. CD diagrams show that, via chiral sulfoxide side chains, the method has good performance on stabilizing the alpha helix of the polypeptide and good tolerance to a polypeptide sequence. | 12-04-2014 |
530334000 | Polymer supported synthesis, e.g., solid phase synthesis, Merrifield synthesis, etc. | 24 |
20080214783 | Method of Synthesizing Protein, mRna Immobilized on Solid Phase and Apparatus for Synthesizing Protein - The present invention provides a protein synthesis method for efficiently synthesizing a desired protein so that it is properly folded so as to demonstrate a function thereof, the method comprising contacting a translation system with a solid phase-immobilized mRNA in which mRNA encoding that protein is immobilized on a solid phase, a protein synthesis apparatus for the method or the like. The protein synthesis method, protein synthesis apparatus or the like of the present invention are useful for, for example, large-volume synthesis of useful proteins. | 09-04-2008 |
20080275215 | Fluorescein-Based Compounds And Their Use For Peptide Synthesis - The present invention is related to new fluorescein derivatives, the method for producing such derivatives and their use for the synthesis of fluorogenic peptides and in particular protease substrates and peptide ligands. | 11-06-2008 |
20080300383 | Methods for the Production of Polymer Carrier Materials Based on Carbon Hydrate-Bis(Meth)Acryl-Amides - The invention relates to methods for the production of polymer carrier materials for solid phase synthesis, particularly for peptide synthesis. (Meth)acrylamide derivatives based on carbon hydrates, which can also contain other protective groups, are polymerized by means of suspension polymerization in an aqueous phase, optionally with the addition of pore-forming additives, and subsequently the protective groups are fully or partially cleaved. It is thus possible to obtain polymer carriers whose morphology (particle size, porosity), degree of cross-linking and swelling capability in aqueous and organic media can be adjusted in a targeted manner and whose reactive groups offer multiple opportunities for the immobilization of anchor groups and protective groups. The hydroxyl groups of the polymer carrier can be activated according to usual methods of solid phase synthesis. | 12-04-2008 |
20090005536 | HYBRID SOLID SUPPORTS USEFUL FOR OLIGONUCLEOTIDE PRODUCTION - A method for preparing a crosslinked polymer coated controlled porosity glass (CPG) particle is provided. The method involves mixing CPG particles in a solution comprising polyvinylbenzylchloride and a first solvent at a temperature below 10° C. A second solvent is added and a crosslinking agent is added to the mixture. The first solvent is removed rapidly within 1½ hours of addition of the crosslinking agent. The crosslinking reaction is permitted to proceed and the mixture is then cooled and treated to remove any remaining solvent. The resulting coated CPG particles are washed and dried. Also provided a polymer coated CPG particles using for loading ligand thereon. | 01-01-2009 |
20090012264 | Microwave-Assisted Peptide Synthesis - An instrument and method for accelerating the solid phase synthesis of peptides is disclosed. The method includes the steps of deprotecting a protected first amino acid linked to a solid phase resin by admixing the protected linked acid with a deprotecting solution in a microwave transparent vessel while irradiating the admixed acid and solution with microwaves, then activating a second amino acid by adding the second acid and an activating solution to the same vessel while irradiating the vessel with microwaves, then coupling the second amino acid to the first acid while irradiating the composition in the same vessel with microwaves, and cleaving the linked peptide from the solid phase resin by admixing the linked peptide with a cleaving composition in the same vessel while irradiating the composition with microwaves. | 01-08-2009 |
20090036650 | Compounds and methods for peptide synthesis - A backbone nitrogen modifying group can prevent aggregation of peptides during peptide synthesis. The modifying group can promote aqueous solubility of the peptides, and be compatible with solid phase peptide synthesis. Methods for making peptides are also described. | 02-05-2009 |
20090137780 | METHOD FOR PRODUCTION OF PEPTIDE THIOESTER COMPOUND - The present invention provides a process for producing a peptide thioester compound, characterized by comprising: (A) forming a peptide by a solid-phase synthesis method using a resin modified with a linker represented by the formula (1) as a solid phase; (B) cleaving a bond between the solid phase and the peptide with at least one acid selected from dilute hydrochloric acid, dilute sulfuric acid, formic acid, and acetic acid to produce a peptide having a carboxyl group at the C-terminus; and (C) reacting a thiol compound with the peptide at −100 to 0° C. in the presence of a condensing agent in a solvent: (1) wherein R | 05-28-2009 |
20090221791 | Composition and Method for the Release of Protected Peptides from a Resin - The present invention provides a composition and a method for cleaving a peptide from a solid support resin. Hydrochloric acid in an organic water miscible solvent is used to cleave the peptide-resin attachment. Optionally, trifluoroethanol or hexafluoroisopropanol may be added to the cleavage composition to improve results. When using the present cleavage composition, an evaporation or other step to remove carboxylic byproducts is not necessary following the cleavage reaction. After the resin is filtered out of the cleavage mixture, the peptide may be immediately precipitated with water. | 09-03-2009 |
20090221792 | Microwave-Assisted Peptide Synthesis - An instrument and associated method are disclosed for the accelerated synthesis of peptides by the solid phase method. The instrument includes a microwave cavity, a microwave source in communication with the cavity, a column in the cavity formed of a material that is transparent to microwave radiation, a solid phase peptide support resin in the column, respective filters for maintaining the solid phase support resin in the column, a first passageway for adding starting compositions to the column, a second passageway for removing compositions from the column, and a third passageway for circulating compositions from the column into the third passageway and back to the column. | 09-03-2009 |
20090264620 | N-Methylation of amino acids - The present invention is directed to a method for | 10-22-2009 |
20100048865 | MICROWAVE-ASSISTED PEPTIDE SYNTHESIS - An instrument and method for accelerating the solid phase synthesis of peptides are disclosed. The method includes the steps of deprotecting a protected first amino acid linked to a solid phase resin by admixing the protected linked acid with a deprotecting solution in a microwave transparent vessel while irradiating the admixed acid and solution with microwaves, activating a second amino acid, coupling the second amino acid to the first acid while irradiating the composition in the same vessel with microwaves, and cleaving the linked peptide from the solid phase resin by admixing the linked peptide with a cleaving composition in the same vessel while irradiating the composition with microwaves. | 02-25-2010 |
20100087622 | Method of Synthesizing Acetonide-Protected Catechol-Containing Compounds and Intermediates Produced Therein - The inventors disclose here a novel, facile approach to the synthesis of acetonide-protected catechol-containing compounds having at least one amine group. In specific embodiments, the invention provides novel methods of synthesizing 3,4-dihydroxyphenylalanine (H-DOPA(acetonide)-OH (6)), Fmoc-protected H-DOPA(acetonide)-OH (Fmoc-DOPA(acetonide)-OH (7)), Fmoc-protected dopamine (Fmoc-dopamine(acetonide) (10)), TFA-protected dopamine (TFA-dopamine(acetonide) (13)) and acetonide-protected 4-(2-aminoethyl)benzene-1,2-diol (acetonide-protected dopamine (14)). | 04-08-2010 |
20100145014 | SYSTEM AND PROCESS FOR THE SYNTHESIS OF POLYMERS - The present invention relates to an automated polymer synthesis apparatus for synthesizing a polymer chain onto a solid substrates by sequentially adding polymer building blocks as well as to a method for synthesizing polymers on solid substrates by sequentially reacting polymer building blocks with reactive groups. The invention further relates to a biochip comprising a solid substrate with reactive groups where biomolecules are attached to and the remaining reactive groups are transformed into chemically inert species. | 06-10-2010 |
20100331521 | Controlled Polymerisation Process - The present invention relates to a controlled metathesis-driven polymerisation process which is particularly useful for the synthesis of biological polymers such as peptides and polymers. The invention also provides metathesisable supports, groups and linkers for use in the process. | 12-30-2010 |
20110021749 | Chemical Plugs used with Automated Organic Polymer Synthesizers - A method and system for organic polymer synthesis utilizing flow through reaction vessels. A chemical plug is introduced selectively into reaction vessels that are inactive. Reactions continue in other reaction vessels. The chemical plug may be removed after reactions in the other reaction vessels have been completed. All reaction vessels are under a pressure differential which, with the use of the chemical plug, remains uniform. | 01-27-2011 |
20110184148 | Method for Producing Peptide Thioester - An object of the present invention is to provide a method for synthesizing a peptide thioester by using a compound that can be easily obtained within a relatively short time under conditions in which a side reaction is unlikely to occur. In the present invention, a thioester bond is formed by elongating a peptide chain using N-alkyl cysteine as the C-terminal amino acid according to the Fmoc method, carrying out deprotection, and then causing the peptide bond to undergo N—S transfer to the thiol group of N-alkyl cysteine under weak acidic conditions. | 07-28-2011 |
20120041173 | WATER SOLUBLE SOLID PHASE PEPTIDE SYNTHESIS - A solid phase peptide synthesis method is disclosed. The method includes the steps of deprotecting an amino group in its protected form that is protected with a protecting group containing a Michael acceptor site composed of an α,β-unsaturated sulfone in a solvent selected from the group consisting of water, alcohol, and mixtures of water and alcohol; washing the deprotected acid in a solvent selected from the group consisting of water, alcohol, and mixtures of water and alcohol; coupling the deprotected acid to a resin-based peptide or a resin-based amino acid in a solvent selected from the group consisting of water, alcohol, and mixtures of water and alcohol; and washing the coupled composition in a solvent selected from the group consisting of water, alcohol, and mixtures of water and alcohol. | 02-16-2012 |
20120220753 | N-Terminal Dimerization Methods with Bis-Amindino Acid and Bis-Thioimidate Derivatives - The invention provides high-yield protein dimerization methods using highly reactive bis-thioimidates that may be used in the manufacture of a highly potent anti-cancer peptide dimers. | 08-30-2012 |
20130184436 | APPARATUS AND METHOD FOR SEMI-AUTOMATED PARALLEL SYNTHESIS OF PEPTIDES - An apparatus is provided for the semi-automated parallel synthesis of multiple peptides. The apparatus includes an array of nozzles, each positioned above or adjacent a separate reaction container, two or more liquid reservoirs, each reservoir coupled to the liquid dispenser(s), and base chamber(s) connected to the reaction containers for removing liquid there from. The addition and removal of liquids may be controlled by programmable electromagnetic valves. The apparatus may also be used for other parallel solid phase reactions. A method is also provided for synthesizing multiple polypeptides or other macromolecules, for example by using the above apparatus, wherein multiple common steps are performed automatically while reactants are added manually. | 07-18-2013 |
20130289241 | METHOD FOR PREPARING EXENATIDE - A method for preparing exenatide by solid-phase synthesis, including: 1) mixing an Fmoc-Rink amide AM resin with a deprotecting agent to obtain a Rink amide AM resin; 2) condensing an Fmoc-Ser(tBu)-OH with the Rink amide AM resin to obtain an Fmoc-Ser(tBu)-Rink amide AM resin; 3) repeating the Fmoc deprotection and the condensation between an amino acid and a polypeptide on the resin, and condensing an amino acid with a polypeptide on the resin from the C-terminal to the N-terminal, to form a polypeptide resin; and 4) separating the polypeptide and the resin on the polypeptide resin. | 10-31-2013 |
20130345397 | METHODS FOR THE SYNTHESIS OF DICARBA BRIDGES IN PEPTIDES - A method for preparing a peptide or peptides containing a dicarba bridge, comprising: (i) providing a reactable peptide having at least two complementary metathesisable groups or two or more reactable peptides having at least two complementary metathesisable groups between them; (ii) subjecting the reactable peptide or reactable peptides to metathesis to form a reactable peptide or peptides having at least one unsaturated dicarba bridge; and (iii) adding one or more further amino acids to one or both ends of at least one of the reactable peptides. | 12-26-2013 |
20140206841 | Peptide Synthesis Apparatus and Methods Using Infrared Energy - Apparatus and methods utilizing infrared energy for heating reactions associated with peptide synthesis, such as activation, deprotection, coupling, and cleavage. Thorough agitation of the contents of reaction vessels during heating and real-time monitoring and adjustment of temperature and/or reaction duration are also described. Existing peptide synthesizers may be retrofitted to include an infrared energy source. | 07-24-2014 |
20160031931 | SOLID PHASE PEPTIDE SYNTHESIS PROCESSES AND ASSOCIATED SYSTEMS - Systems and processes for performing solid phase peptide synthesis are generally described. Solid phase peptide synthesis is a known process in which amino acid residues are added to peptides that have been immobilized on a solid support. In certain embodiments, the inventive systems and methods can be used to perform solid phase peptide synthesis quickly while maintaining high yields. Certain embodiments relate to processes and systems that may be used to heat, transport, and/or mix reagents in ways that reduce the amount of time required to perform solid phase peptide synthesis. | 02-04-2016 |
20160102118 | SOLID PHASE PEPTIDES SYNTHESIS PROCESSES AND ASSOCIATED SYSTEMS - Systems and processes for performing solid phase peptide synthesis are generally described. Solid phase peptide synthesis is a known process in which amino acid residues are added to peptides that have been immobilized on a solid support. In certain embodiments, the inventive systems and methods can be used to perform solid phase peptide synthesis quickly while maintaining high yields. Certain embodiments relate to processes and systems that may be used to heat, transport, and/or mix reagents in ways that reduce the amount of time required to perform solid phase peptide synthesis. | 04-14-2016 |
530335000 | Protecting or removing protective groups, e.g., carboxyl group protection, etc. | 24 |
20090048430 | Site specific protein modification - The present invention relates, in general, to protein modifications and, in particular, to a method of effecting site-specific labeling of proteins with covalently coupled reporter groups. The invention further relates to a method of effecting orientation-specific immobilization of proteins on a solid surface. The invention also relates to products produced by such methods. | 02-19-2009 |
20090215985 | DIFFERENTIALLY PROTECTED ORTHOGONAL LANTHIONINE TECHNOLOGY - The present invention provides a method of synthesizing an intramolecularly bridged polypeptide comprising at least one intramolecular bridge. The present invention further provides a method of synthesizing an intramolecularly bridged polypeptide comprising two intramolecular bridges, wherein the two intramolecular bridges form two overlapping ring, two rings in series, or two embedded rings. The present invention also provides methods for synthesizing lantibiotics, including Nisin A. Additionally, the invention provides intramolecularly bridged polypeptides synthesized by the methods disclosed herein and differentially protected orthogonal lanthionines. | 08-27-2009 |
20100016551 | SYNTHESIS OF RADIOFLUORINATED PEPTIDE USING MICROWAVE ACTIVATION TECHNOLOGY - The present invention addresses a novel method of preparing radiofluorinated peptide-based compounds and introducing those compounds into an automated radiosynthesis apparatus with the aid of microwave activation. The present invention further relates to obtaining radiopharmaceutical kits utilizing microwave activation technology for the preparation of obtaining peptide based compounds as well as a method for the use of preparing a peptide based compound. | 01-21-2010 |
20100036092 | Synthesis of Glatiramer Acetate - A process of making a polylpeptide or a pharmaceutically acceptable salt thereof comprises reacting a L-lysine protected polypeptide, which comprises L-alanine, L-tyrosine, L-glutamate, and L-lysine that is protected with a protecting group, with a tetraalkylammonium hydroxide in water to remove the protecting group. | 02-11-2010 |
20110160433 | BENZYLIC COMPOUND - The present invention provides a protecting reagent that can be removed in a high yield even under acidic conditions and can afford a resulting product at a high purity in an organic synthesis reaction such as peptide synthesis and the like. The inventive protecting reagent is particular benzylic compound having only one hydroxyl group substituted by an organic group having an aliphatic hydrocarbon group having a carbon number of not less than 14. | 06-30-2011 |
20120059149 | BRANCHED CHAIN-CONTAINING AROMATIC COMPOUND | 03-08-2012 |
20140046022 | FLUORENE COMPOUND - Particular compounds having a fluorene skeleton are superior in broad utility and stability, as a protecting reagent for liquid phase synthesis of amino acids and/or peptides. | 02-13-2014 |
20140088291 | METHOD FOR PRODUCING PEPTIDE - The present invention provides a production method of peptide, which includes the following step (1).
| 03-27-2014 |
20140275481 | SOLID PHASE PEPTIDE SYNTHESIS PROCESSES AND ASSOCIATED SYSTEMS - Systems and processes for performing solid phase peptide synthesis are generally described. Solid phase peptide synthesis is a known process in which amino acid residues are added to peptides that have been immobilized on a solid support. In certain embodiments, the inventive systems and methods can be used to perform solid phase peptide synthesis quickly while maintaining high yields. Certain embodiments relate to processes and systems that may be used to heat, transport, and/or mix reagents in ways that reduce the amount of time required to perform solid phase peptide synthesis. | 09-18-2014 |
530336000 | Of side chain or sulfur containing group | 2 |
20090215986 | Solution Synthesis of Peptide Cell Growth Stimulators - A solution phase synthetic method for preparing basic tripeptides of the formula Gly-Xaa-Gly-X which have in various biological properties such as stimulating protein production when used as additives in a bioreactor. The basic tripeptides of the invention may be produced on gram or kilogram scale. | 08-27-2009 |
20100022749 | Contoxin Analogues and Methods for Synthesizing Same - According to the present invention, there is provided a range of new conotoxin derivatives and methods for synthesizing these analogues and other intramolecular dicarba bridge-containing peptides, including dicarba-disulfide bridge-containing peptides. | 01-28-2010 |
530337000 | Of amino group | 13 |
20100174048 | Processes for Preparing a Polypeptide - The present invention relates to an improved process for preparing a polypeptide or pharmaceutically acceptable salt thereof comprising L-tyrosine, L-alanine, L-glutamate, and L-lysine. The polypeptide or pharmaceutically acceptable salt thereof is preferably glatiramer acetate. The process comprises: (a) polymerizing a mixture of N-carboxyanhydride of L-tyrosine, N-carboxyanhydride of L-alanine, N-carboxyanhydride of a protected L-glutamate and N-carboxyanhydride of a protected L-lysine, in a polar aprotic solvent in the presence of an initiator, to form a protected polypeptide; (b) admixing an acid with the protected polypeptide formed in Step (a) and a solvent, to form a product; and (c) admixing a substance selected from the group consisting of an alkali or alkaline earth metal hydroxide, a carbonate, a hydrogencarbonate, and mixtures thereof, with the product formed in Step (b), and a solvent or a mixture of a solvent and water, to form a deprotected polypeptide or a pharmaceutically acceptable salt thereof. | 07-08-2010 |
20100234566 | Processes for Preparing a Polypeptide - The present invention relates to an improved process for preparing a polypeptide or pharmaceutically acceptable salt thereof comprising L-tyrosine, L-alanine, L-glutamate, and L-lysine. The polypeptide or pharmaceutically acceptable salt thereof is preferably glatiramer acetate. The process comprises: (a) polymerizing a mixture of N-carboxyanhydride of L-tyrosine, N-carboxyanhydride of L-alanine, N-carboxyanhydride of a protected L-glutamate and N-carboxyanhydride of a protected L-lysine, in a polar aprotic solvent in the presence of an initiator, to form a protected polypeptide; (b) admixing an acid with the protected polypeptide formed in Step (a) and a solvent, to form a product; and (c) admixing a substance selected from the group consisting of an alkali or alkaline earth metal hydroxide, a carbonate, a hydrogencarbonate, and mixtures thereof, with the product formed in Step (b), and a solvent or a mixture of a solvent and water, to form a deprotected polypeptide or a pharmaceuticaly acceptable salt thereof. | 09-16-2010 |
20100298537 | Process for the manufacture of persilylated peptides - Process for the manufacture of a peptide or peptide analog, which comprises (a) producing a persilylated peptide or persilylated peptide analogue by silylating a corresponding peptide by reaction with a silylating agent other than trimethylsilylcyanide, and (b) reacting a compound of formula (I) X-A-COOH wherein X is an amino protecting group, A is an amino acid, peptide or peptide analogue residue, and —COOH designates an optionally activated carboxylic group, with a persilylated peptide or a persilylated peptide analogue containing from 4 to 15 amino acids. | 11-25-2010 |
20100298538 | METHOD FOR THE STEREOSELECTIVE PREPARATION OF AMINO ACID DERIVATIVES - The invention relates to a process for the stereoselective preparation of amino acid derivatives, comprising a hydrogenation reaction of the compound of formula (III), alternatively its enantiomer, wherein R is (C | 11-25-2010 |
20110046349 | PROCESS FOR THE PRODUCTION OF EXENATIDE AND OF AN EXENATIDE ANALOGUE - Exenatide, a polypeptide having the 39 amino acid sequence | 02-24-2011 |
20120101257 | PROCESSES FOR PREPARING AMINO-SUBSTITUTED GAMMA-LACTAMS - The present application describes general process for the preparation of amino-substituted gamma-lactams involving the reaction of synthons of the general Formulae (I) and (VI): with amines. The processes are amenable to solid phase synthetic techniques and therefore allow the efficient incorporation of amino-substituted gamma-lactams into a wide variety of structural scaffolds, including, in particular peptides. | 04-26-2012 |
20120302730 | MACROMOLECULAR COMPOUNDS HAVING CONTROLLED STOICHIOMETRY - The following invention is directed to macromolecules having controlled stoichiometry and topology, processes for their production, and applications for their use. The macromolecules have a controlled functional moiety stoichiometry and include at least one dendritic motif having a surface layer formed from at least one surface building unit and at least one subsurface layer formed from at least one building unit, the surface building unit and building units having a hydrocarbon backbone bearing a carbonyl group and at least one amine group; and at least two different functional moieties on the building unit and/or surface building unit; where functional moiety stoichiometry refers to the number and type of functional moieties. | 11-29-2012 |
20140080999 | METHOD FOR PRODUCING PEPTIDE - The present invention provides a production method of a protected amino acid, protected peptide or peptide, including precipitation and solid-liquid separation of C-protected amino acid or C-protected peptide in a solvent containing water-containing acetonitrile, after removing the N-terminal protecting group from N-protected C-protected amino acid or N-protected C-protected peptide wherein the C-terminal carboxy group is protected by an anchor group. | 03-20-2014 |
20140142279 | Method for peptide synthesis - A new method based on the synthesis and use of novel N and C protecting agents. The new N-protecting agent, here referred to as V-Phenol, generates V-protected amino acids and can be successfully applied to all conventional peptide bond formations including active esters, N,N′-dicyclohexylcarbodiimide (DCC) or related dehydrating agents mixed anhydride methods, PC13 and related agents. The new C-protecting agent, here referred to as HONE, can be successfully applied to peptide synthesis as an active ester not only in combination with V-protected amino acids but also with other N-protecting agents such as Cbz, Boc, Fmoc, etc. | 05-22-2014 |
20140213761 | DIPHENYLMETHANE COMPOUND - The present invention aims to provide a compound superior in broad utility and stability, which is useful as a protecting reagent (anchor) of amino acid and/or peptide in liquid phase synthesis and the like of a peptide having a C-terminal etc., which are of a carboxamide (—CONHR)-type, an organic synthesis reaction method (particularly peptide liquid phase synthesis method) using the compound, and a kit for peptide liquid phase synthesis containing the compound, and has found that the object can be achieved by a particular compound having a diphenylmethane skeleton. | 07-31-2014 |
20140288268 | METHOD OF PRODUCING PEPTIDE - The present invention is related to a method of producing a peptide, characterized in contacting a reaction mixture with a base after a condensation reaction to hydrolyze while a basic condition is maintained until a ratio of a remaining unreacted active ester of an acid component is decreased to 1% or less in a liquid phase peptide synthesis method. According to the invention, a target peptide of high purity can be simply and efficiently produced by a continuous liquid phase synthesis method. Further, the present invention is related to a method of producing a peptide, characterized in using an amide-type solvent immiscible with water in a liquid phase peptide synthesis method. According to the invention, various peptides can be produced by the liquid phase synthesis method without being restricted by the amino acid sequence of the target peptide. | 09-25-2014 |
20150148524 | AMINO ACID ANALOGUES AND METHODS FOR THEIR SYNTHESIS - A method for the synthesis of an amino acid analogue or a salt, solvate, derivative, isomer or tautomer thereof comprising the steps of: (i) subjecting an amino acid containing a metathesisable group to metathesis with a compound containing a complementary metathesisable group of formula (I) or (II): (Formulae (I), (II)) wherein R | 05-28-2015 |
20160060198 | DIPHENYLMETHANE COMPOUND - The present invention aims to provide a compound superior in broad utility and stability, which is useful as a protecting reagent (anchor) of amino acid and/or peptide in liquid phase synthesis and the like of a peptide having a C-terminal etc., which are of a carboxamide (—CONHR)-type, an organic synthesis reaction method (particularly peptide liquid phase synthesis method) using the compound, and a kit for peptide liquid phase synthesis containing the compound, and has found that the object can be achieved by a particular compound having a diphenylmethane skeleton. | 03-03-2016 |
530338000 | Solution phase synthesis | 14 |
20090069538 | Method of Producing Peptide - The present invention is related to a method of producing a peptide, characterized in contacting a reaction mixture with a base after a condensation reaction to hydrolyze while a basic condition is maintained until a ratio of a remaining unreacted active ester of an acid component is decreased to 1% or less in a liquid phase peptide synthesis method. According to the invention, a target peptide of high purity can be simply and efficiently produced by a continuous liquid phase synthesis method. Further, the present invention is related to a method of producing a peptide, characterized in using an amide-type solvent immiscible with water in a liquid phase peptide synthesis method. According to the invention, various peptides can be produced by the liquid phase synthesis method without being restricted by the amino acid sequence of the target peptide. | 03-12-2009 |
20090264621 | Lipid-assisted synthesis of polymer compounds and methods for their use - The invention herein disclosed provides for methods for the synthesis of polymers from monomers. In particular the method provides for the synthesis of polynucleotides from mononucleotides in the absence of catalytic enzymes. The invention is of particular use in the fields of molecular biology, structural biology, cell biology, molecular switches, molecular circuits, and molecular computational devices, and the manufacture thereof. | 10-22-2009 |
20110105722 | Peptide synthesis method using n-carboxyanhydride (UNCA) - Method for preparing a peptide or a peptide derivative which comprises it least one step in which a free amino acid or a free peptide is reacted with a urethane-protected amino acid N-carboxyanhydride (UNCA) solution. | 05-05-2011 |
20120108788 | REAGENT FOR ORGANIC SYNTHESIS AND METHOD OF ORGANIC SYNTHESIS REACTION WITH THE REAGENT - A reagent for organic synthesis with which a chemical reaction can be conducted in a liquid phase and unnecessary compound(s) can be easily separated at low cost from the liquid phase after completion of the reaction. The reagent for organic synthesis reversibly changes from a liquid-phase state to a solid-phase state with changes in solution composition and/or solution temperature, and is for use in organic synthesis reactions. This reagent for organic syntheses facilitates process development. With the reagent, research on and development of, e.g., medicines through, e.g., compound library synthesis, etc. can be accelerated. It can hence contribute to technical innovations in the biochemical industry and chemical industry. | 05-03-2012 |
20120190820 | FACILE AMIDE FORMATION VIA S-NITROSO THIOACID INTERMEDIATES - Provided are methods for forming a reactive S-nitroso thioacid (NTA), comprising nitrosation of a thioacid with a nitrosation reagent. Also provided are methods for: acylating a nucleophile including selective acylation with a high degree of selectivity toward amines over hydroxyls; amide or peptide bond formation; forming a dipeptide or polypeptide; and peptide coupling/ligation, comprising use of thioacid and amine starting materials, wherein the reactions are mediated by very reactive S-nitroso thioacid (NTA) intermediates enabling extremely fast reactions under mild conditions, providing for broad applications. | 07-26-2012 |
20120253012 | METHOD FOR PREPARING LIPOPEPTIDE COMPOUND - There is provided a practical method for preparing lipopeptide compounds, which method is capable of inexpensive mass production without requiring complicated operations. The lipopeptide compound of formula (3): | 10-04-2012 |
20130245225 | POLYPEPTIDE SYNTHESIS FOR DRUG DELIVERY - The present invention provides improved methods for the synthesis of polypeptide or peptide-linked compounds via a NCA-based polymerization reaction that produces high product yields in much less time. Such improved methods are achieved by application of a higher temperature and/or reduced pressure to the reaction such that an NCA-containing monomer melts. | 09-19-2013 |
20140128572 | Process For Extraction Of Peptides And Its Application In Liquid Phase Peptide Synthesis - A process for extraction of a peptide from a reaction mixture resulting from a peptide coupling reaction, the reaction mixture containing the peptide and a polar aprotic solvent selected from N,N-dimethylformamide, N,N-dimethylacetamide and N-methyl-2-pyrrolidone, whereby the process includes a step a) and a step b): step a) including the addition of a component a1), a component a2) and a component a3), whereby component a1) is an organic solvent 1, the organic solvent 1 is selected from 2-methyltetrahydrofuran and toluene, component a2) is water, and component a3) is an organic solvent 2, the organic solvent 2 is selected from the ethylacetate, isopropylacetate, acetonitrile, tetrahydrofuran and n-heptane to the reaction mixture, so that a biphasic system with an organic layer and an aqueous layer is obtained; step b) including the subsequent separation of the organic layer containing the peptide from the aqueous layer. The extraction step is preferably used in a process for preparation of a peptide in liquid phase. | 05-08-2014 |
20160152660 | AN ARRANGEMENT FOR A COLUMN, A METHOD FOR SUBSTITUTING A TUBULAR HOUSING IN SUCH AN ARRANGEMENT FOR A COLUMN AND A METHOD FOR CONDUCTING PEPTIDE AND/OR OLIGONUCLEOTIDE SYNTHESIS IN A COLUMN | 06-02-2016 |
530339000 | Segment condensation, e.g., Ugi condensation, etc. | 1 |
20130331545 | Method For Preparing Peptides By Assembling Multiple Peptide Fragments - Method for preparing a peptide assembly of n fragments and n−1 amino acids bearing a thiol function, represented by the formula: | 12-12-2013 |
530340000 | With phosphorus containing material | 1 |
20100048866 | WATER-SOLUBLE PHOSPHINOTHIOL REAGENTS - Water soluble reagents and methods for the formation of an amide bond between a phosphinothioester and an azide in an aqueous medium. The phosphinothioester is generated using a water-soluble phosphinothiol reagent. This reaction allows formation of an amide bond between a wide variety of chemical species including amino acids, peptides or protein fragments in an aqueous solution. Of particular interest, this reaction allows for the formation of an amide bond in a physiological setting. In a specific embodiment, this invention provides reagents and methods for peptide ligation in an aqueous medium. The reaction eliminates the need for a cysteine residue and is traceless leaving no residual atoms in the ligated peptide product. | 02-25-2010 |
530341000 | With use of carbonimide or imidiazole | 2 |
20100292439 | Use of Functionalized Onium Salts for Peptide Synthesis - A subject of the invention is the use of a salt with a dedicated task of formula (I): | 11-18-2010 |
20130137853 | METHOD FOR PRODUCING PEPTIDE - Peptides may be produced by using (A) a first amino acid or peptide, which is converted into its ionic liquid form through the formation of an ionic bond, as a substance serving as both a reaction solvent and a reaction starting material; and reacting the first amino acid or peptide with (B) an ester of second amino acid or peptide, in the absence of any peptide hydrolase or any condensation agent, in the presence of water in an amount of not more than 20% by mass relative to the total mass of the reaction system to form a peptide bond between the first amino acid or peptide and the second amino acid or peptide. By means of this process, it is possible to synthesize a peptide at a high concentration and at a high yield, and this method is excellent for producing peptides on an industrial scale. | 05-30-2013 |
530342000 | Mixed anhydride synthesis | 1 |
20100130723 | POLYPEPTIDE SYNTHESIS FOR DRUG DELIVERY - The present invention provides improved methods for the synthesis of polypeptide or peptide-linked compounds via a NCA-based polymerization reaction that produces high product yields in much less time. Such improved methods are achieved by application of a higher temperature and/or reduced pressure to the reaction such that an NCA-containing monomer melts. | 05-27-2010 |
530343000 | By hydrolysis | 3 |
20120329988 | METHOD FOR THE EXTRACTION AND HYDROLYSIS OF ANY PROTEIN SUBSTANCE, NATURAL AUXINS AND POLYPHENOLS FROM SOURCES OF PLANT ORIGIN AND THEIR DERIVATIVES - Method for the extraction and hydrolysis of any protein substance, natural auxins and polyphenols from sources of plant origin and their derivatives, which from a any vegetable matter (roots, stems including bark, leaves, fruits, seeds and derivatives) and by an hydrolysis in acid alcohol which is added alcohols and mineral acids, the resulting mass is subjected to a thermodynamic treatment, with subsequent utilization of physical systems of separate solid/liquid plant extract is obtained a hydro alcoholic. | 12-27-2012 |
20130109835 | Method for processing protein-containing materials to obtain mixtures of natural amino acids, low-molecular weight peptides and oligopeptides | 05-02-2013 |
20130303729 | Plasmon-assisted Pyrolysis for Site-specific Protein Digestion - Apparatus using gold nano-particle surface Plasmon resonance heating for a rapid, reagentless and site specific cleavage at the C-terminal of aspartic acid and at the N-terminus of the amino acid cysteine in peptides and proteins induced by the thermal decomposition at 220-250° C. for 10 s in solid samples. | 11-14-2013 |