Class / Patent application number | Description | Number of patent applications / Date published |
564307000 | Amino nitrogen and a ring bonded directly to the same ring, and any other amino nitrogen in the compound is bonded directly to one of the rings | 30 |
20090005597 | Process for Preparing Substituted Biphenyls - A process for preparing substituted biphenyls of the formula I | 01-01-2009 |
20090131721 | METHOD OF DEPROTECTION OF ALKYL ARYLAMINE ETHERS - A method for deprotecting alkyl arylamine ethers to produce hydroxyl arylamine compounds by reacting the alkyl arylamine ether with a thiolate reagent. More specifically, a method for deprotecting alkyl arylamine ethers to produce hydroxyl arylamine compounds by reacting 2-(diethylamine)ethanethiolate with an alkyl arylamine ether to yield a hydroxy arylamine compound. | 05-21-2009 |
20090221855 | PROCESS FOR THE PRODUCTION OF ANILINES - The present invention relates to a process for the preparation of compounds of formula wherein R | 09-03-2009 |
20100087680 | METHOD FOR PRODUCING BIARYL COMPOUND - A method for producing a biaryl compound, comprising reacting an aromatic organic compound with at least one compound selected from the group consisting of aromatic organoboron compounds and boroxine compounds, in the presence of a zero-valent nickel catalyst, phosphine ligand and base. | 04-08-2010 |
20100217043 | Lubricating compositions containing ashless catalytic antioxidant additives - The invention comprises lubricating compositions and hydraulic fluids containing substituted N,N′-diaryl-o-phenylenediamine compounds that impart good levels of oxidation inhibition in the lubricants and hydraulic fluids. | 08-26-2010 |
20110004021 | THIAZOLECARBOXANILIDES - Thiazolecarboxanilides of the formula I | 01-06-2011 |
20110319665 | Process for Preparing Substituted 2-Nitrobiphenyls - The present invention relates to a process for preparing substituted 2-nitrobiphenyls and to specific 2-nitrobiphenyls. The invention further relates to a process for preparing 2-aminobiphenyls from such 2-nitrobiphenyls and to a process for preparing (het)arylamides of such 2-aminobiphenyls. | 12-29-2011 |
20120059191 | ZEOLITE-PALLADIUM COMPLEX, METHOD FOR PRODUCING THE SAME, CATALYST CONTAINING THE COMPLEX, AND METHOD FOR PRODUCING A COUPLING COMPOUND BY USING THE CATALYST - There is provided a substance having much higher catalytic activity for a Suzuki-Miyaura coupling reaction than conventional heterogenous catalysts. The present invention provides a zeolite-palladium complex including USY-zeolite and Pd supported on the USY-zeolite, the Pd having a Pd—Pd coordination number of 4 or less and an oxidation number of 0.5 or less. | 03-08-2012 |
20120184775 | METHOD FOR REMOVING METHYLENE-BRIDGED POLYPHENYL POLYAMINES FROM AN AQUEOUS STREAM - A method for removing methylene-bridged polyphenyl polyamines from an aqueous stream comprising said methylene-bridged polyphenyl polyamines according to the invention comprises the steps of
| 07-19-2012 |
20130079559 | SULFUR-CONTAINING PALLADIUM-CARBON CATALYST AND METHOD FOR PREPARING AND USING THE SAME - A sulfur-containing palladium-carbon catalyst prepared by loading palladium on an active carbon, mixing the palladium-carbon catalyst with a solvent to form a slurry, adding a sulfide to the slurry to treat the loaded palladium under a predetermined temperature, and removing liquid and drying to obtain the catalyst. The sulfur-containing palladium-carbon catalyst is suitable for making phenylene diamine rubber antioxidant with improved productivity and selectivity. | 03-28-2013 |
20130165696 | NOVEL PROCESSES FOR THE PREPARATION OF PHENYLCYCLOPROPYLAMINE DERIVATIVES AND USE THEREOF FOR PREPARING TICAGRELOR - Provided herein are novel processes for the preparation of phenylcyclopropylamine derivatives, which are useful intermediates in the preparation of triazolo[4,5-d]pyrimidine compounds. Provided particularly herein are novel, commercially viable and industrially advantageous processes for the preparation of a substantially pure ticagrelor intermediate, trans-(1R,2S)-2-(3,4-difluorophenyl)-cyclopropylamine. Provided further herein are novel acid addition salts of trans-(1R,2S)-2-(3,4-difluorophenyl)-cyclopropylamine, and process for their preparation. The intermediate and its acid addition salts are useful for preparing ticagrelor, or a pharmaceutically acceptable salt thereof, in high yield and purity. | 06-27-2013 |
20130324763 | PROCESS FOR THE SYNTHESIS OF CHIRAL PROPARGYLIC ALCOHOLS - A process for the synthesis of chiral propargylic alcohols. | 12-05-2013 |
20140350301 | NOVEL PROCESSES FOR THE PREPARATION OF PHENYLCYCLOPROPYLAMINE DERIVATIVES AND USE THEREOF FOR PREPARING TICAGRELOR - Provided herein are novel processes for the preparation of phenylcyclopropylamine derivatives, which are useful intermediates in the preparation of triazolo[4,5-d]pyrimidine compounds. Provided particularly herein are novel, commercially viable and industrially advantageous processes for the preparation of a substantially pure ticagrelor intermediate, trans-(1R,2S)-2-(3,4-difluorophenyl)-cyclopropylamine. Provided further herein are novel acid addition salts of trans-(1R,2S)-2-(3,4-difluorophenyl)-cyclopropylamine, and process for their preparation. The intermediate and its acid addition salts are useful for preparing ticagrelor, or a pharmaceutically acceptable salt thereof, in high yield and purity. | 11-27-2014 |
564308000 | Polycyclo ring system | 12 |
20090023955 | Novel process for the preparation of sertraline hydrochloride form II - The present invention relates to novel processes to produce sertraline hydrochloride Form II comprising the steps of forming a solution of sertraline hydrochloride in a polar organic solvent and adding this solution to a less polar organic solvent. | 01-22-2009 |
20090177009 | PROCESS OF MAKING SERTRALINE FORM II - The present invention discloses novel and improved processes for preparation of sertraline hydrochloride crystalline form II. Thus, for example, sertraline free base is dissolved in isoamyl alcohol at 25-30° C., pH of the mass is adjusted to 2.0 with conc. hydrochloric acid (36%) at 25-30° C. and then stirred for 14 hours at 25-30° C. Filtered the solid and dried at 65° C. for 4 hours to give sertraline hydrochloride crystalline form II. The present invention also provides a novel process for preparation of sertraline hydrochloride crystalline form I. | 07-09-2009 |
20090177010 | PROCESS OF MAKING SERTRALINE FORM I - The present invention discloses novel and improved processes for preparation of sertraline hydrochloride crystalline form II. Thus, for example, sertraline free base is dissolved in isoamyl alcohol at 25-30° C., pH of the mass is adjusted to 2.0 with conc. hydrochloric acid (36%) at 25-30° C. and then stirred for 14 hours at 25-30° C. Filtered the solid and dried at 65° C. for 4 hours to give sertraline hydrochloride crystalline form II. The present invention also provides a novel process for preparation of sertraline hydrochloride crystalline form I. | 07-09-2009 |
20090292141 | NEW METHOD FOR OBTAINING AN AMINOINDAN MESYLATE DERIVATIVE - The invention relates to processes for preparing rasagiline mesylate that avoid the use of alcohol solvents, thereby producing rasagiline mesylate free of any alkyl mesylates, including isopropyl mesylate. The invention further relates to processes for purifying rasagiline mesylate to obtain a product free of alkyl mesylates, and to the thus obtained rasagiline mesylate. | 11-26-2009 |
20100029986 | Novel amine functionalized carbon nanotube - Methods of forming a multi walled or single walled carbon nanotube with one or more amine groups on the surface thereof are described. The method includes reacting a carbon nanotube having a hydroxyl surface group or a carboxyl surface group with ammonia in the presence of a catalyst at a temperature of about 300° C. or more. | 02-04-2010 |
20100029987 | Crystalline Form of Rasagiline and Process for the Preparation Thereof - A process for the preparation of (R)—N-propargyl-1-aminoindane, or a salt thereof, comprising reacting 1-indanone with propargylamine, in presence of a mixture of sodium borohydride and acetic acid, to obtain N-propargyl-1-aminoindane; and its conversion into (R)—N-propargyl-1-aminoindane or a salt thereof. | 02-04-2010 |
20110071317 | HALOGENATED DIARYLAMINE COMPOUND AND SYNTHESIS METHOD THEREOF - An object is to provide a new halogenated diarylamine compound serving as a source material for synthesis of a variety of diarylamine compounds and triarylamine compounds and a synthesis method of the new halogenated diarylamine compound. A halogenated diarylamine compound represented by the following general formula (G1) and a synthesis method thereof are provided. Note that a variety of diarylamine compounds and triarylamine compounds can be synthesized using the halogenated diarylamine compound represented by the following general formula (G1). | 03-24-2011 |
20110313200 | New Method for Obtaining an Aminoindan Mesylate Derivative - The invention relates to processes for preparing rasagiline mesylate that avoid the use of alcohol solvents, thereby producing rasagiline mesylate five of any alkyl mesylates, including isopropyl mesylate. The invention further relates to processes for purifying rasagiline mesylate to obtain a product free of alkyl mesylates, and to the thus obtained rasagiline mesylate. | 12-22-2011 |
20120184776 | AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT DEVICE USING SAME - Disclosed is an organic electroluminescence device in which an organic thin film which is composed of one or more layers including at least a light-emitting layer is interposed between a cathode and an anode. Since at least one layer of the organic thin film contains a novel aromatic amine derivative, which has an asymmetric structure wherein two different amine units are bonded through a linking group, by itself or as a component of a mixture, molecules are hardly crystallized thereby improving the production yield of the organic electroluminescence device. This organic electroluminescence device has a long life. | 07-19-2012 |
20120302793 | AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT DEVICE USING SAME - A process for producing an amine compound, by reacting a halogenated aryl compound with an amine intermediate of formula (1): | 11-29-2012 |
20160016891 | PREPARATION OF CHIRAL AMIDES AND AMINES - This invention provides a convenient method for converting oximes into enamides. The process does not require the use of metallic reagents. Accordingly, it produces the desired compounds without the concomitant production of a large volume of metallic waste. The enamides are useful precursors to amides and amines. The invention provides a process to convert a prochiral enamide into the corresponding chiral amide. In an exemplary process, a chiral amino center is introduced during hydrogenation through the use of a chiral hydrogenation catalyst. In selected embodiments, the invention provides methods of preparing amides and amines that include the 1,2,3,4-tetrahydro-N-alkyl-1-naphthalenamine or 1,2,3,4-tetrahydro-1-naphthalenamine substructure. | 01-21-2016 |
20160193543 | METHOD AND APPARATUS FOR PURIFYING ORGANIC MATERIAL USING IONIC LIQUID | 07-07-2016 |
564309000 | Benzidines | 5 |
20090149675 | PROCESS FOR THE PREPARATION OF ARYL-DIAMINES - A process for forming a N,N′-diaryl-N,N′-di(hydroxyaryl)-aryl-diamine compound includes reacting a halogenated aryl compound with an etherified diarylamine in the presence of a catalyst, then deprotecting the resulting N,N′-diaryl-N,N′-di(alkyl-oxyaryl)-aryl-diamine to form the N,N′-diaryl-N,N′-di(hydroxyaryl)-aryl-diamine. | 06-11-2009 |
20100036167 | PROCESS FOR PRODUCTION OF 2,2'-BIS(TRIFLUOROMETHYL)-4,4'-DIAMINOBIPHENYL - A method produces 2,2′-bis(trifluoromethyl)-4,4′-diaminobiphenyl, wherein 2,2′-bis(trifluoromethyl)biphenyl is produced from o-chlorobenzotrifluoride, further, 2,2′-bis(trifluoromethyl)biphenyl is dinitrated in 1,2-dichloropropane solution, and 2,2′-bis(trifluoromethyl)-4,4′-dinitrobiphenyl is isolated and reduced. The method for producing of 2,2′-bis(trifluoromethyl)-4,4′-diaminobiphenyl is an industrially excellent method for producing with high safety and high production efficiency. | 02-11-2010 |
20100174115 | TETRAMINE COMPOUND AND ORGANIC EL DEVICE - The present invention provides a method for producing a tetramine compound represented by formula (1): | 07-08-2010 |
20130046110 | Continuous production of arylamine - A process for forming arylamines by continuous Buchwald-Hartwig reaction using, in part, a plug flow reactor with a fluid flow path greater than about 1 mm in diameter and a single solvent under pressure to form a product with a space time yield of at least 100 g/L/hr. | 02-21-2013 |
20140142339 | Method for Preparing Fluoroacylated Arylamine - A method for making fluoroacyl arylamines is disclosed. | 05-22-2014 |