| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 549070000 | Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring | 17 |
| 549071000 | The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens | 4 |
| 20110112311 | METHOD FOR PRODUCING 3-METHYL-2-THIOPHENECARBOXYLIC ACID - A method for producing 3-methyl-2-thiophenecarboxylic acid is provided. | 05-12-2011 |
| 20120323019 | METHOD FOR CARBOXYLIZING AROMATES AND HETETOAROMATES USING CO2 - The present invention relates to a process for the preparation of aromatic and heteroaromatic carboxylic acids using CO | 12-20-2012 |
| 20160376248 | METHOD FOR PRODUCING HETEROARYLCARBOXYLIC ACID ESTER DERIVATIVE, AND PRODUCTION INTERMEDIATE OF SAME - Compounds of formula (9), which are useful as therapeutic drugs for diabetes, may be produced by the following reaction sequence: (a) diester (3) is synthesized by the reaction of compound (1) and compound (2); (b) ester (4) is synthesized by deprotection of diester (3) (or ester (4) is synthesized by the reaction of compound (5) and compound (2)); (c) ester (4) is converted to acid halide; (d) the acid halide is reacted with an amidinophenol derivative; and (e) the obtained diester derivative is deprotected under acidic conditions, and converted to compound (9): | 12-29-2016 |
| 20160376249 | PRODUCTION METHOD FOR HETEROARYLCARBOXYLIC ACID ESTER DERIVATIVE, PRODUCTION INTERMEDIATE THEREOF, AND CRYSTAL - Compounds of formula (VI), which are useful as therapeutic drugs for diabetes, may be produced by reacting a compound of formula (II) with an acid halogenating agent to give an acid halide; reacting the acid halide with a compound of formula (IV) in the presence of a base, and crystallizing compound (V) or a salt thereof from the reaction system; and subjecting the compound of formula (V) to reductive deprotection in the presence of a metal catalyst, and crystallizing the compound of (VI) or a salt thereof from the reaction system: | 12-29-2016 |
| 549072000 | Nitrogen or chalcogen attached indirectly to the hetero ring by nonionic bonding | 12 |
| 20090012315 | Process for Pure Duloxetine Hydrochloride - A process for the preparation of pure Duloxetine hydrochloride comprises the steps of: a) reacting 1-(thiophen-2-yl)ethanone with dimethylamine hydrochloride, b) purifying the component in a solvent, c) reducing the component with an alkali metal borohydride, d) resolving the compound with a chiral acid, and treating the obtained compound with weak inorganic base, e) reacting the compound to give Duloxetine oxalate salt and f) converting the Duloxetine salt into its hydrochloride salt. Further the purifications of the obtained compound and of two intermediate products are described. | 01-08-2009 |
| 20090137823 | (E)-N-Monoalkyl-3-Oxo-3-(2-Thienyl) Propenamine and Process for Producing the Same and Process for Producing (E,Z)-N-Monoalkyl-3-Oxo-3-(2-Thienyl) Propenamine - The present invention provides a process for producing (E)-N-monoalkyl-3-oxo-3-(2-thienyl)propenamine represented by Formula (1); | 05-28-2009 |
| 20100204487 | PROCESS FOR MAKING THIOPHENE CARBOXAMIDE DERIVATIVES - The invention encompasses a process for making a thiophene carboxamide derivative, which is an EP4 antagonist useful for treating pain and inflammation. | 08-12-2010 |
| 20100240911 | Process for the preparation of N-monosubstituted beta-amino alcohols - A process for the preparation of a compound of formula: | 09-23-2010 |
| 20110207945 | Process for the preparation of enantiomerically pure 1-substituted-3-aminoalcohols - Provided is a process for the preparation of enantiomerically pure 1-substituted-3-aminoalcohols, particularly of (S)-(−)- and (R)-(+)-3-N-methylamino-1-(2-thienyl)-1-propanol, by asymmetrically hydrogenating salts of a carboxylic acids with an aminoketone of formula (II), wherein R | 08-25-2011 |
| 20110275835 | PROCESS FOR PREPARING (S)-(+)-N-METHYL-3-(1-NAPHTHYLOXY)-3-(2-THIENYL)PROPYLAMINE BY USING OPTICALLY ACTIVE METHYLHYDROXYLAMINOPROPANOL COMPOUND AS INTERMEDIATE - The present invention provides (S)-methylhydroxylaminopropanol compound as an intermediate in preparation of (S)-(+)-N-methyl-3-(1-naphthyloxy)-3-(2-thienyl)propylamine. The present invention also provides a process for preparing (S)-(+)-N-methyl-3-(1-naphthyloxy)-3-(2-thienyl)propylamine with higher yield and lower cost by using the (S)-methylhydroxylaminopropanol compound as an intermediate. | 11-10-2011 |
| 20120149917 | (E)-N-MONOALKYL-3-OXO-3-(2-THIENYL) PROPENAMINE AND PROCESS FOR PRODUCING THE SAME AND PROCESS FOR PRODUCING (E,Z)-N-MONOALKYL-3-OXO-3-(2-THIENYL) PROPENAMINE - The present invention provides a process for producing (E)-N-monoalkyl-3-oxo-3-(2-thienyl)propenamine represented by Formula (1); | 06-14-2012 |
| 20120316350 | PROCESS FOR THE PREPARATION OF ENANTIOMERICALLY PURE 1-SUBSTITUTED-3-AMINOALCOHOLS - A process for the preparation of N-monosubstituted β-aminoalcohol sulfonates of formula (1a), (1b): | 12-13-2012 |
| 20130123514 | CARBOCATALYSTS FOR CHEMICAL TRANSFORMATIONS - The disclosure relates to catalytically active carbocatalysts, e.g., a graphene oxide or graphite oxide catalyst suitable for use in a variety of chemical transformations. In one embodiment, it relates to a method of catalyzing a chemical reaction of an organic molecule by reacting the organic molecule in the presence of a sufficient amount of graphene oxide or graphite oxide for a time and at a temperature sufficient to allow catalysis of a chemical reaction. According to other embodiments, the reaction may be an oxidation reaction, a hydration reaction, a dehydrogenation reaction, a condensation reaction, or a polymerization reaction. Some reactions may include auto-tandem reactions. The disclosure further provides reaction mixtures containing an organic molecule and graphene oxide or graphite oxide in an amount sufficient to catalyze a reaction of the organic molecule. | 05-16-2013 |
| 20130310574 | Process for the Preparation of N-Monosubstituted beta-Amino Alcohols - A process is disclosed for the preparation of a compound of formula | 11-21-2013 |
| 20150112086 | Process for the Preparation of N-Monosubstituted beta-Amino Alcohols - A process is disclosed for the preparation of a compound of formula | 04-23-2015 |
| 20150376101 | HETEREOCYCLIC AGENT AS CATALYTIC STABILIZING AGENT IN A HYDROFORMYLATION PROCESS - A heterocyclic nitrogen stabilizing agent is employed to reduce the rate of catalyst deactivation in a hydroformylation process. | 12-31-2015 |
| 549073000 | Halogen attached directly or indirectly to the hetero ring by nonionic bonding | 1 |
| 20130144071 | METHOD OF PRODUCING IODIZING AGENT, AND METHOD OF PRODUCING AROMATIC IODINE COMPOUND - A method of the present invention, for producing an iodizing agent, includes the step of electrolyzing iodine molecules in a solution by using an acid as a supporting electrolyte. This realizes (i) a method of producing an iodine cation suitable for use as an iodizing agent that does not require a sophisticated separation operation after iodizing reaction is completed, and (ii) an electrolyte used in the method. Further, a method of the present invention, for producing an aromatic iodine compound, includes the step of causing an iodizing agent, and an aromatic compound whose nucleus has one or more substituent groups and two or more hydrogen atoms, to react with each other under the presence of a certain ether compound. This realizes such a method of producing an aromatic iodine compound that position selectivity in iodizing reaction of an aromatic compound is improved. | 06-06-2013 |
