| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 548416000 |
Polycyclo ring system having the five-membered hetero ring as one of the cyclos
| 385 |
| 548541000 |
Chalcogen attached directly to the five-membered hetero ring by nonionic bonding (e.g., 3-pyrrolidinols, etc.)
| 105 |
| 548530000 |
Having -C(=X)-, wherein X is chalcogen, bonded directly to the five membered hetero ring (e.g., pyrrole carbonyl halides, pyrrole carboxaldehyde, etc.)
| 96 |
| 548517000 |
Additional hetero ring, which is attached directly or indirectly to the five-membered hetero ring by nonionic bonding
| 64 |
| 548402000 |
Heavy metal or aluminum containing
| 53 |
| 548405000 |
Boron containing
| 27 |
| 548407000 |
Spiro
| 22 |
| 548570000 |
Chalcogen attached indirectly to the five-membered hetero ring by acyclic nonionic bonding
| 20 |
| 548406000 |
Silicon containing
| 19 |
| 548566000 |
Nitrogen attached indirectly to the five-membered hetero ring by acyclic nonionic bonding
| 13 |
| 548413000 |
Phosphorus attached indirectly to the five-membered hetero ring by nonionic bonding
| 8 |
| 548557000 |
Nitrogen attached directly to the five-membered hetero ring by nonionic bonding
| 6 |
| 548579000 |
The five-membered hetero ring is unsubstituted or is alkyl substituted only (e.g., pyrrolidine, etc.) | 5 |
| 20090240066 | INTERMEDIATES FOR THE PRODUCTION OF OPTICALLY ACTIVE CYCLOPROPYLAMINE DERIVATIVES AND PROCESS FOR THE PRODUCTION OF THE INTERMEDIATES - The present invention provides intermediates needed for production of an optically active compound represented by formula (6), which enable the compound (6) to be readily synthesized in simple production steps without optical resolution, and also provides a process for producing the intermediates. | 09-24-2009 |
| 20110040105 | PROCESSES USEFUL FOR THE SYNTHESIS OF (R)-1--2-METHYL-PYRROLIDINE - Processes useful for making a pharmaceutically useful compound according to Formula (I), forms of such a compound, and intermediates useful in such processes are described. | 02-17-2011 |
| 20140018547 | Process for Preparing Pyrrolidine - Process for preparing pyrrolidine of the formula I | 01-16-2014 |
| 20140235873 | Process for Producing Ionic Liquids - The present invention provides a method for producing ionic liquids without the use of a volatile solvent and/or water. In some embodiments, methods of the invention allow a continuous process for producing ionic liquids. | 08-21-2014 |
| 20160042876 | IONIC LIQUID AND POWER STORAGE DEVICE INCLUDING THE SAME - An ionic liquid having high electrochemical stability and a low melting point. An ionic liquid represented by the following general formula (G0) is provided. | 02-11-2016 |
| 548412000 |
Phosphorus attached directly to the five-membered hetero ring by nonionic bonding | 4 |
| 20090281330 | Nitrons Carrying a Positive Charge and Usable in Trapping Free Radicals, Especially the Superoxide Radical - The present invention involves new nitrons carrying a positive charge, useful in trapping of free radicals and especially the superoxide radical, of general formula: | 11-12-2009 |
| 20090326243 | Ligands for transition-metals and methods of use - The present invention relates to indolyl phosphine ligands, and methods of making such ligands utilizing phenyl hydrazines and aryl ketones as the starting material. The present invention further includes uses of the ligands in the synthesis of pharmaceuticals, materials, and agriculture. | 12-31-2009 |
| 20120197025 | ORGANOPHOSPHORUS COMPOUNDS BASED ON TETRAPHENOL (TP)-SUBSTITUTED STRUCTURES - The invention relates to the synthesis of tetraphenol-substituted structures, in particular meta-substituted xylenes. Said tetraphenol-type structures are reacted to obtain organic phosphorus compounds, in particular organophosphites. The invention further relates to the production of catalytically active compositions which contain transition metals in addition to the aforementioned organic phosphorus compounds. According to another subject matter of the invention, said catalytically active compositions are used in chemical reactions with small molecules, e.g. HCN, CO, hydrogen, and amines. | 08-02-2012 |
| 20150344506 | NOVEL PHOSPHININE OXIDE DERIVATIVE AND PREPARATION METHOD THEREOF - Provided are a novel phosphinine oxide derivative and a preparation method thereof, and more specifically, the phosphinine oxide derivative includes an oxaphosphinine oxide derivative and an azaphosphinine oxide derivative. | 12-03-2015 |
| 548577000 |
Benzene ring bonded directly to the five-membered hetero ring | 4 |
| 20100234618 | Process for the Preparation of Asenapine and Intermediate Products Used in Said Process - The invention relates to a novel process for the preparation of asenapine, i.e. trans-5-chloro-2-methyl-2,3,3a,12b-tetrahydro-1H-dibenz[2,3:6,7]oxepino[4,5-c]pyrrole, as well as to novel intermediate products for use in said process. | 09-16-2010 |
| 20140024839 | FULLERENE DERIVATIVE, AND METHOD OF PREPARING THE SAME - A fullerene derivative having 60 or more carbon atoms includes at least one structure having the following formula (I): | 01-23-2014 |
| 20140303384 | NOVEL PHENICOL ANTIBACTERIALS - The present invention provides novel phenicol derivatives, their use for the treatment of infections in mammals, pharmaceutical compositions containing these novel compounds, and methods for the preparation of these compounds. | 10-09-2014 |
| 20150344412 | NOVEL PHENICOL ANTIBACTERIALS - The present invention provides novel phenicol derivatives, their use for the treatment of infections in mammals, pharmaceutical compositions containing these novel compounds, and methods for the preparation of these compounds. | 12-03-2015 |
| 548560000 |
Two double bonds between ring members of the five-membered hetero ring | 4 |
| 20120083609 | METHODS FOR THE CONVERSION OF A SUBSTITUTED FURAN TO A SUBSTITUTED PYRROLE - The present invention discloses processes for producing substituted pyrrole compounds, such as 2,5-disubstituted pyrroles. Synthetic processes which directly convert substituted furan compounds to substituted pyrrole compounds, via a reaction of the substituted furan compound with ammonia and/or an ammonium salt in the presence of a catalyst, also are described. | 04-05-2012 |
| 20120157692 | Processes for the Synthesis of Gamma Nitrocarbonyl and Gamma Dicarbonyl Compounds and Their Pyrrole Derivatives - The present invention discloses processes for producing γ-nitrocarbonyl and γ-dicarbonyl compounds, which can be precursors in the synthesis of pyrrole compounds. A process for producing pyrroles such as 2,5-dimethylpyrrole, and structurally similar pyrrole compounds, is also disclosed. | 06-21-2012 |
| 20080275253 | LEWIS ACID CATALYZED HALOGENATION OF ACTIVATED CARBON ATOMS - A practical and efficient method for halogenation of activated carbon atoms using readily available N-haloimides and a Lewis acid catalyst has been disclosed. This methodology is applicable to a range of compounds and any halogen atom can be directly introduced to the substrate. The mild reaction conditions, easy workup procedure and simple operation make this method valuable from both an environmental and preparative point of view. | 11-06-2008 |
| 20120157691 | Lewis Acid Catalyzed Halogenation of Activated Carbon Atoms - A practical and efficient method for halogenation of activated carbon atoms using readily available N-haloimides and a Lewis acid catalyst has been disclosed. This methodology is applicable to a range of compounds and any halogen atom can be directly introduced to the substrate. The mild reaction conditions, easy workup procedure and simple operation make this method valuable from both an environmental and preparative point of view. | 06-21-2012 |
| 548528000 |
Polycyclo carbocyclic ring system having at least three cyclos | 3 |
| 20090299078 | SPECIFICALLY TAILORED ENDOHEDRAL METALLOFULLERENES - Disclosed are several different processes that can be utilized to prepare endohedral metallofullerenes with specific characteristics. Processes can be utilized to prepare monoadducts including cycloaddition of functional groups to the [6,6] double bond of a pyrene-type site of the fullerene. Also disclosed are simple, economical methods for separating fullerene isomers based upon the different oxidation potentials of the isomers. | 12-03-2009 |
| 20150141665 | METHODS FOR PREPARING POLYMERIC REAGENTS - The present invention provides among other things methods for preparing polymeric reagents, wherein the method comprises (a) providing an aromatic moiety bearing a hydroxy group, a first amino group and a second amino group; (b) reacting a functional group reagent with the hydroxy group to result in a hydroxy group bearing a functional group capable of reacting with an amino group of an active agent and resulting in a hydolyzable carbamate; and (c) reacting a plurality of poly(alkylene glycol) water-soluble polymers bearing a reactive group with the first amino group and second amino group to result in (i) a first amino group bearing a water-soluble polymer through a spacer moiety, and (ii) a second amino group bearing a second water-soluble polymer through a spacer moiety. | 05-21-2015 |
| 20160022830 | METHODS FOR PREPARING POLYMERIC REAGENTS - The present invention provides among other things methods for preparing polymeric reagents, wherein the method comprises (a) providing an aromatic moiety bearing a hydroxy group, a first amino group and a second amino group; (b) reacting a functional group reagent with the hydroxy group to result in a hydroxy group bearing a functional group capable of reacting with an amino group of an active agent and resulting in a hydolyzable carbamate; and (c) reacting a plurality of poly(alkylene glycol) water-soluble polymers bearing a reactive group with the first amino group and second amino group to result in (i) a first amino group bearing a water-soluble polymer through a spacer moiety, and (ii) a second amino group bearing a second water-soluble polymer through a spacer moiety. | 01-28-2016 |
| 548578000 |
Benzene ring in a substituent attached to the ring nitrogen of the five membered hetero ring by nonionic bonding | 1 |
| 20150315140 | PROCESS FOR PREPARING AMINES - The present invention refers to a process for preparing amines comprising reacting a compound of the formula R | 11-05-2015 |
| 548401000 |
With preservative or stabilizer | 1 |
| 20090306402 | Composition of N-Alkenyl Carboxylic Acid Tertiary Amide - A composition of N-alkenyl carboxylic acid tertiary amide which enables to suppress variation of pH and color valency and realize storage stability for a long period, by the addition of specified amines. | 12-10-2009 |
| 548565000 |
One double bond between ring members of the five-membered hetero ring (i.e., pyrrolines) | 1 |
| 20150315142 | PROCESS TO OBTAIN IMIDAZOLINE MIXTURES FROM VEGETABLE OILS - A method to obtain imidazoline mixtures capable of providing considerable energy savings during the manufacture process due to a notable reduction of process temperature and lower requirements of chemical raw materials, and it allows for the direct use of vegetable oils, instead of fatty acids or their esters, producing imidazolines containing a (2-hydroxyethyl) group on position one of the ring and on position 2, a hydrocarbonated chain, from the fatty acids present in coconut oil, palm oil, jathrofa or castor. Likewise, the application of these mixtures as corrosion inhibitors has been established, in addition to quaternized imidazolines, which have applications as cationic surfactants, fabric softeners, hair conditioners and antistatic agents. It is an optimized method that compared to other known methods, uses substoichiometric proportions of aminoethylethanolamine and lower reaction temperatures, without using dehydrating agents or catalysts, or azeotropic distillation, which involves the use of highly flammable solvents. | 11-05-2015 |
