Class / Patent application number | Description | Number of patent applications / Date published |
546286000 | Cyano bonded directly to the six-membered hetero ring | 16 |
20080306276 | FACILE SYNTHESIS OF A SERIES OF LIQUID CRYSTALLINE 2-(4'-ALKOXYPHENYL)-5-CYANOPYRIDINES - The invention relates to a facile synthesis of a series of 2-(4′-alkoxyphenyl)-5-cyanopyridine liquid crystal compounds which are represented by the following formula (I): | 12-11-2008 |
20100029951 | Process for producing acrylonitrile compound - There is provided a process for stereoselectively producing E-form of 3-acyloxyacrylonitrile compound (3) or Z-form which comprises reacting 3-oxopropionitrile compound (1) with an acid chloride (2), characterized in that the reaction is conducted with removal of hydrogen chloride, or by using an organic base or an inorganic base, to thereby regulate the stereostructure of the product; a process for producing the compound (1) characterized by reacting acetonitrile compound (5) with an aromatic ester compound (6) by use of an alkali metal alkoxide in a hydrocarbon solvent while removing alcohol formed as a by-product by azeotropic distillation in a separating tank; and a process for isomerizing E-form of 3-acyloxyacrylonitrile compound to Z-form thereof by use of an organic base. | 02-04-2010 |
20110092709 | Methods and Devices for the Production of Cyanopyridines - Subject of the invention is a method for the production of a cyanopyridine, wherein
| 04-21-2011 |
20110092710 | METHODS AND DEVICES FOR THE PRODUCTION OF CYANOPYRIDINES - Subject of the invention is a method for the production of a cyanopyridine, comprising the steps of
| 04-21-2011 |
20140046070 | PROCESS FOR THE PREPARATION OF 4-AMINO-3-CHLORO-5-FLUORO-6-(SUBSTITUTED)PICOLINATES - 4-Amino-3-chloro-5-fluoro-6-(substituted)picolinates are conveniently prepared from 3,4,5,6-tetrachloropicolinonitrile by a series of steps involving fluorine exchange, amination, reaction with hydrazine, halogenation, hydrolysis and esterification, and transition metal assisted coupling. | 02-13-2014 |
546288000 | Chalcogen bonded directly to ring carbon of the six-membered hetero ring | 4 |
20090054655 | Process for the Production of Organic Oxides - The present invention provides a method for producing an organic oxide, wherein a substrate is oxidized using hypohalous acid, hypohalous acid salt, chlorine, bromine or iodine in the presence of water and a catalytic amount of a compound represented by the following formula (I): R | 02-26-2009 |
20160009649 | PROCESS FOR THE PREPARATION OF 4-ALKOXY-3-HYDROXYPICOLINIC ACIDS | 01-14-2016 |
20160009650 | PROCESS FOR THE PREPARATION OF 4-ALKOXY-3-HYDROXYPICOLINIC ACIDS | 01-14-2016 |
20160009676 | PROCESS FOR THE PREPARATION OF 4-ALKOXY-3-HYDROXYPICOLINIC ACIDS | 01-14-2016 |
546289000 | Nitrogen attached directly to the six-membered hetero ring by nonionic bonding | 7 |
20090253912 | PROCESS FOR THE PREPARATION OF ONIUM SALTS WITH A TETRAFLUOROBORATE ANION HAVING A REDUCED HALIDE CONTENT - The invention relates to a method for producing onium salts with tetrafluoroborate anion by reacting an onium halide with an oxonium tetrafluoroborate, sulfonium tetrafluoroborate, or triphenylcarbonium tetrafluoroborate. | 10-08-2009 |
20100190991 | SYNTHESIS OF THIOHYDANTOINS - A novel synthesis of the anti-androgen, A52, which has been found to be useful in the treatment of prostate cancer, is provided. A52 as well as structurally related analogs may be prepared via the inventive route. This new synthetic scheme may be used to prepare kilogram scale quantities of pure A52. | 07-29-2010 |
20120190857 | PROCESS FOR THE PREPARATION OF 4-AMINO-3-CHLORO-5-FLUORO-6-(SUBSTITUTED) PICOLINATES - 4-Amino-3-chloro-5-fluoro-6-(substituted)picolinates are conveniently prepared from 3,4,5,6-tetrachloropicolinonitrile by a series of steps involving fluorine exchange, amination, halogen exchange and hydrolysis, esterification and transition metal assisted coupling. | 07-26-2012 |
20120190858 | PROCESS FOR THE PREPARATION OF 4-AMINO-3-CHLORO-5-FLUORO-6-(SUBSTITUTED) PICOLINATES - 4-Amino-3-chloro-5-fluoro-6-(substituted)picolinates are conveniently prepared from 3,4,5,6-tetrachloropicolinonitrile by a series of steps involving fluorine exchange, amination, reaction with hydrazine, halogenation, hydrolysis and esterification, and transition metal assisted coupling. | 07-26-2012 |
20120190859 | PROCESS FOR THE PREPARATION OF 4-AMINO-5-FLUORO-3-HALO-6-(SUBSTITUTED)PICOLINATES - 4-Amino-5-fluoro-3-halo-6-(substituted)picolinates are conveniently prepared from 4,5,6-trichloropicolinonitrile by a series of steps involving fluorine exchange, amination, halogen exchange, halogenation, nitrile hydrolysis, esterification, and transition metal assisted coupling. | 07-26-2012 |
20130172564 | PHENOL DERIVATIVES AND PHARMACEUTICAL OR COSMETIC USE THEREOF - The use of compounds in the treatment of skin disorders is described. In particular, use of a compound of formula (I): | 07-04-2013 |
20140142317 | PROCESS FOR THE PREPARATION OF 4-AMINO-3-CHLORO-5-FLUORO-6-(SUBSTITUTED) PICOLINATES - 4-Amino-3-chloro-5-fluoro-6-(substituted)picolinates are conveniently prepared from 3,4,5,6-tetrachloropicolinonitrile by a series of steps involving fluorine exchange, amination, halogen exchange and hydrolysis, esterification and transition metal assisted coupling. | 05-22-2014 |