| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 548537000 |
Acyclic nitrogen bonded directly to the -C(=X)- (e.g., 4,5-dihalopyrrole -2 carboxamides, etc.)
| 44 |
| 548531000 |
The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens (e.g., pyrrole-3-carboxylic acid, etc.)
| 41 |
| 548540000 |
Acyclic carbon bonded directly to the -C(=X)- (e.g., N-oleoylpyrrolidine, etc.) | 5 |
| 20090076284 | PROCESS FOR CONTINUOUSLY REMOVING A TARGET PRODUCT X IN THE FORM OF FINE CRYSTALS - A process for continuously removing a target product X in the form of fine crystals from a liquid phase P comprising the target product X and constituents other than the target product X by cooling suspension crystallization in the secondary chamber, into which the liquid phase P flows continuously, of an indirect heat exchanger with simultaneous continuous flow of a coolant through the primary chamber of the indirect heat exchanger and continuous withdrawal of a crystal suspension S having a degree of crystallization Y from the secondary chamber, in which the degree of crystallization Y is adjusted on the basis of a heat balance conducted continuously with the aid of a process computer. | 03-19-2009 |
| 20090240065 | BLACK COLOR MATERIAL AND TONER - The black color material includes a condensation product of a pyrrole compound represented by the following formula (1) and a squaric acid represented by the following formula (2): | 09-24-2009 |
| 20100099892 | METHOD FOR PRODUCING AMINOACETYLPYRROLIDINECARBONITRILE DERIVATIVE - It is to provide a method for efficiently producing an aminoacetylpyrrolidinecarbonitrile derivative which is useful as a DPP-IV inhibitor. It is a method for producing an aminoacetylpyrrolidinecarbonitrile derivative represented by the formula (2): | 04-22-2010 |
| 20110054190 | CATALYST AND REACTION PROCESS - Disclosed is a technology for enabling an efficient asymmetric Michael addition reaction which does not require a large amount of a malonic ester, while having a short reaction time. Specifically disclosed is a catalyst which is composed of MX | 03-03-2011 |
| 20110172444 | METHOD FOR PURIFYING AMINOACETYLPYRROLIDINECARBONITRILE DERIVATIVE AND SALT THEREOF - The present invention herein provides a simple, efficient and industrially useful method for purifying an aminoacetylpyrrolidinecarbonitrile derivative which is useful as a DPP-IV inhibitor. The method comprises the steps of acting an acid such as maleic acid on an aminoacetylpyrrolidinecarbonitrile derivative represented by the following Formula 1 to form a salt, isolating the salt and then regenerating the foregoing derivative from the salt: | 07-14-2011 |
| 548539000 |
Carbocyclic ring bonded directly to the -C(=X)- (e.g., 3-benzoyl pyrrolidine, etc.) | 1 |
| 20110306775 | SYNTHESIS AND BIOLOGICAL EVALUATION OF 2',5'-DIMETHOXYCHALCONE DERIVATIVES AS MICROTUBULE-TARGETED ANTICANCER AGENTS - Disclosed are a serious of 2′,5′-dimethoxychalcone derivatives for treating cancer, wherein 2,5-dimethoxyacetophenone and methyl 4-formylbenzoate are condensed to form 4-carboxyl-2′,5′-dimethoxychalcone (compound 1), which is further reacted with alkyl halides or amines to synthesize the chalcone derivatives of compounds 2-17. In addition, 2,5-dimethoxyacetophenone is reacted with 5-formyl-2-thiophenecarboxylic acid to form compound 18 (3-(3-thiophene)carboxyl-1-(2,5-dimethoxyphenyl)prop-2-en-1-one). The synthesized 2′,5′-dimethoxychalcone derivatives can be acted as microtubule-targeted tubulin-polymerizing agents. | 12-15-2011 |
| Entries |
| Document | Title | Date |
|---|
| 20080234497 | NOVEL PEGYLATED AMINO ACID DERIVATIVES AND THE PROCESS TO SYNTHESIZE THE SAME - The present invention is a series of novel pegylated amino acid derivatives containing branched polyethylene glycols, which are either the same or different molecular weights. Additionally, the N-pegylated lysine derivatives are enantiomerically pure. Also disclosed are oligopeptides such as Lysine-Lysine in which the free amino groups are protected as pegylated carbamates. 9-BBN complexes of lysine in which the epsilon nitrogen is functionalized as a pegylated carbamate and Bis pegylated derivatives of multifunctional heteroatom-containing amino acids such as cysteine, serine and glutamic acid are also disclosed. | 09-25-2008 |
| 20090054666 | LIQUID POLYMER - This invention discloses a process for manufacturing an elastomeric article by liquid injection molding, said process comprising the steps of: (I) heating a curable composition comprised of (1) a liquid polymer comprised of repeat units that are derived from a conjugated diolefin monomer, wherein said liquid polymer has a weight average molecular weight which is within the range of 5,000 to 100,000, and wherein the liquid polymer is functionalized with an amine moiety, (2) a carbonyl inhibited platinum catalyst, and (3) a tetrakis(dialkyl siloxy) silane crosslinking agent, to a temperature which is within the range of 30° C. to 100° C.; (II) injecting the heated curable composition into a mold at a temperature which is within the range of 100° C. to 210° C. to produce the elastomeric article; and (III) removing the elastomeric article from the mold. | 02-26-2009 |
| 20090093643 | Process for Production of Benzyloxypyrrolidine Derivative, and Process for Production of Hydrochloride Salt Powder of Optically Active Benzyloxypyrrolidine Derivative - Provided are: a process for production of a benzyloxypyrrolidine derivative in high yield and safety, and a process for production of a hydrochloride powder of a benzyloxypyrrolidine derivative in high yield and safety; the process for production of a benzyloxypyrrolidine derivative expressed by the general formula (2) [Chemical formula 2], in reacting a pyrrolidinol derivative represented by the general formula (1) [Chemical formula 1] with a benzyl halide derivative in the presence of an alkali metal hydroxide, wherein the reaction is carried out in either of the following conditions A or B; condition A: an aprotic polar solvent, and condition B: an aliphatic ether solvent containing a phase transfer catalyst: | 04-09-2009 |
| 20090176993 | Calcium receptor active compounds - A novel calcium receptor active compound having the formula is provided: | 07-09-2009 |
| 20100056804 | Compound containing carboxylate ester and N2S2 ligand bi-functional groups and manufacturing method thereof - A compound containing carboxylate ester and N2S2 ligand bi-functional groups and a manufacturing method thereof are disclosed. The S in the N2S2 ligand of the compound containing carboxylate ester and N2S2 ligand bi-functional groups includes a protective group so as to avoid to be oxidized and easy storage. In a complex reaction, the protective group is automatically released As to the active carboxylate ester, it is for reacting with compounds having amino groups such as amines, amino acids, peptides, or protein etc while the N2S2 ligand is for bonding with technetium or rhenium so as to form neutral complex. The compound containing carboxylate ester and N2S2 ligand bi-functional groups is applied to radiopharmaceuticals such as contrast agents for tissues and target agents. | 03-04-2010 |
