Class / Patent application number | Description | Number of patent applications / Date published |
564395000 | Preparing directly by amination | 25 |
20100317894 | METHODS OF PRODUCING 1,3,5-TRIAMINO-2,4,6-TRINITROBENZENE - Methods of producing 1,3,5-triamino-2,4,6-trinitrobenzene (TATB), from alkoxy derivatives of phloroglucinol, such as 5-methoxyresorcinol, 3,5-dimethoxyphenol, or 1,3,5-trimethoxybenzene, are disclosed. The alkoxy derivatives may be exposed to and directly nitrated with a reaction mixture comprising a sulfuric acid solution and at least one nitrate salt. The nitrated alkoxy derivative of phloroglucinol may be alkoxylated and, thereafter, aminated to produce the TATB. | 12-16-2010 |
20110172463 | METHODS OF PRODUCING 1,3,5-TRIAMINO-2,4,6-TRINITROBENZENE - Methods of producing TATB are disclosed. The method comprises providing acid wet TNPG and distilling water from the acid wet TNPG. The TNPG is reacted with an alkoxylating agent to form a solution of 1,3,5-trialkoxy-2,4,6-trinitrobenzene solution, which is reacted with an aminating agent. An alternate method comprises nitrating phloroglucinol in a first vessel to produce TNPG, which is reacted with an alkoxylating agent in a second vessel to form a solution comprising 1,3,5-trialkoxy-2,4,6-trinitrobenzene and at least one of at least one volatile byproduct and at least one nonvolatile byproduct. The at least one of at least one volatile byproduct and at least one nonvolatile byproduct is removed in situ. The 1,3,5-trialkoxy-2,4,6-trinitrobenzene is reacted with an aminating agent. | 07-14-2011 |
20160122284 | New telescoping synthesis of 2-methoxymethyl-p-phenylenediamine - A telescoping process for the preparation of 2-methoxymethyl-p-phenylenediamine, a cosmetically acceptable salt thereof, or mixture thereof. The process according to the present invention is a particularly cost effective process in that it avoids sophisticated chemical steps which requires special equipment or expensive catalysts and in that it comprises a recycling step of one of the starting materials, namely 2-methoxymethylaniline. | 05-05-2016 |
564396000 | Of carbonyl containing compound | 1 |
564397000 | By reductive amination | 1 |
564398000 | Group VIII noble metal containing catalyst utilized | 1 |
20120142969 | Process for the Preparation of 2-Methoxymethyl-1,4-Benzenediamine, Its Derivatives Thereof and the Salts Thereof - A process for synthesizing 2-methoxymethyl-1,4-benzenediamine, its derivatives of formula (IV) and the salts thereof, which comprises a reductive amination step. The preferred final product is 2-methoxymethyl-1,4-benzenediamine of formula (IV-a). | 06-07-2012 |
564399000 | Of ether or alkylene oxide | 1 |
20130178655 | METHOD FOR SYNTHESIZING 3,5-DICHLOROANISOLE FROM 1,3,5-TRICHLOROBENZENE - The invention relates to a method for synthesizing 3,5-dichloroanisole from 1,3,5-trichlorobenzene, which comprises: | 07-11-2013 |
564401000 | Of acyclic hydroxy containing compound | 1 |
20090054689 | PHOSPHORAMIDITE LIGAND AND PRODUCTION METHOD OF ALLYLIC AMINE USING THE SAME - The present invention provides a production method of an allylic amine represented by the formula (III): | 02-26-2009 |
564402000 | By replacing hydroxy | 3 |
20090076306 | PROCESS FOR CONTINUOUS PREPARATION OF A PRIMARY AROMATIC AMINE - A process for continuously preparing a primary aromatic amine by reacting a corresponding cycloaliphatic alcohol with ammonia in the presence of hydrogen at a temperature in the range from 80 to 350° C. in the presence of a heterogeneous catalyst, wherein the catalytically active composition of the catalyst, before its reduction with hydrogen, comprises
| 03-19-2009 |
20120071692 | PROCESS FOR THE PREPARATION OF AROMATIC AMINES - A process for preparing an aromatic amine by reacting a corresponding aromatic alcohol with an aminating agent selected from the group consisting of ammonia, primary amines and secondary amines, in the presence of hydrogen and a catalyst molding, at a temperature of from 60-300°. The catalyst molding comprises Zr, Pd and Pt and has an annular tablet form with an external diameter in the range from 2-6 mm, a height in the range from 1-4 mm and an internal diameter of from 1-5 mm or a topologically equivalent form with the same volume. Catalyst moldings comprising Zr, Pd and Pt are also provided. The catalyst molding has an annular tablet form with an external diameter in the range from 3-6 mm, a height in the range from 1-4 mm and an internal diameter of from 2-5 mm or a topologically equivalent form. | 03-22-2012 |
20120316363 | METHOD FOR PRETREATING AND USING COPPER-BASED CATALYST - Method for pretreating the copper-based catalyst having the steps of dehydrating the copper-based catalyst at an elevated temperature, reducing the dehydrated copper-based catalyst with hydrogen, and passivating the activated copper-based catalyst to obtain a catalyst suitable for N-alkylation. The dehydration and reduction steps may be conducted simultaneously. | 12-13-2012 |
564404000 | Of halogen containing compound | 11 |
564405000 | Which also contains benzene ring | 11 |
20080255389 | COST EFFECTIVE METHOD FOR SYNTHESIS OF TRIARYLAMINE COMPOUNDS - A process for forming a triarylamine compound includes reacting a halogenated aryl alcohol with an alcohol protecting agent and a first base to form a halogenated protected aryl alcohol compound, and reacting the halogenated protected aryl alcohol compound with an amine in the presence of a suitable catalyst and a second base. | 10-16-2008 |
20090118545 | MICROREACTOR TECHNOLOGY TO BUCHWALD-HARTWIG AMINATION - A process for forming an arylamine compound, including reacting an arylamine and an aryl halide in the presence of a palladium ligated catalyst, a base and a suitable solvent in a microreactor. | 05-07-2009 |
20100130786 | METHOD FOR PRODUCING TRIARYLAMINE COMPOUND - [Problem] To provide a method for producing a triarylamine compound in which the reaction can be attained under a practical condition, the purification operation after the reaction is simple, the environmental burden is reduced and the production efficiency is high. | 05-27-2010 |
20140221691 | METHOD FOR PRODUCING RING-HALOGENATED N,N-DIALKYLBENZYLAMINES - The invention relates to a method for preparing ring-halogenated N,N-dialkylbenzylamines and intermediates obtainable therefrom for preparing agrochemicals and pharmaceutically active ingredients. | 08-07-2014 |
20140357895 | TRIPHENYLAMINE DERIVATIVE, METHOD FOR MANUFACTURING THE SAME, AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - A triphenylamine derivative is represented by General Formula (1). | 12-04-2014 |
564406000 | And nitro | 3 |
20100160685 | INTEGRATED PROCESS FOR THE PREPARATION OF POLYBENZIMIDAZOLE PRECURSORS - An integrated process is provided for preparing 2,3,5,6-tetraminotoluene and salts thereof starting with nitration of 2,6-dihalotoluene. The process design eliminates costly intermediate drying and recrystallization steps. Handling of solid materials with possible skin sensitizing properties and toxicity is avoided, thereby eliminating human and environmental exposure. | 06-24-2010 |
20130158296 | PROCESS FOR THE SYNTHESIS OF 1-AMINO-3-HALO-4,6-DINITROBENZENE - A process is provided for the preparation of 1-amino-3-halo-4,6-dinitrobenzene and related compounds by monoamination of dihalodinitrobenzenes by ammonia in the presence of solvent and water. Using glycol as a solvent for the dihalodinitrobenzene and feeding ammonia at a rate at which it is consumed allows for the synthesis of high purity product, such as 1-amino-3-chloro-4,6-dinitrobenzene, at high yields. | 06-20-2013 |
20140336415 | DIPHENYLAMINE COMPOUNDS AND PRODUCTION METHOD THEREOF - An inexpensive and convenient production method of diphenylamine compounds is provided, that can solve problems in the conventional technology such as decrease in reactivity, restriction of substituents, high temperature, high pressure, by-products or the like. Further, diphenylamine compounds useful as intermediates of medicine and agricultural chemicals are provided. Diphenylamine compounds are produced, represented by general formula (3): | 11-13-2014 |
564407000 | Preparing primary amines | 3 |
20090177011 | PROCESS FOR THE PRODUCTION OF ANILINES - The present invention relates to a process for the preparation of compounds of formula (I) wherein R | 07-09-2009 |
20090240083 | Preparation Method of 2, 6-Dichlor-4-Trifluoromethyl Aniline - This invention is involved with a preparation method of 2,6-dichlor-4-trifluoromethyl aniline. With this process, 4-chlorotrifluoromethyl benzene is used as the starting material and subjected to halogenation reaction and ammoniation reaction and through separation of reaction products the desired 2,6-dichlor-4-trifluoromethyl aniline is obtained. In addition, ammonia is recovered from the surplus ammonia water in ammoniation reaction. This applied invention in characterized by simple process, cheap and easy-available raw materials, high reaction yield and friendly environment. | 09-24-2009 |
20100228055 | PROCESS FOR THE PRODUCTION OF AMINES - The present invention relates to a process for the preparation of compounds of formula (I) wherein R | 09-09-2010 |
564408000 | Of hydrocarbon | 5 |
20090023956 | DIRECT AMINATION OF HYDROCARBONS - A process for aminating hydrocarbons with ammonia in the presence of catalyst (i) which catalyzes the amination, which comprises supplying oxidizing agent to the reaction mixture and reacting the oxidizing agent with hydrogen which is formed in the amination in the presence of a catalyst (ii) which catalyzes this reaction with hydrogen. | 01-22-2009 |
20090030234 | DIRECT AMINATION OF HYDROCARBONS - A process for aminating hydrocarbons with ammonia, wherein the N | 01-29-2009 |
20090203941 | DIRECT HYDROCARBON AMINATION - A process for aminating hydrocarbons comprises physically removing hydrogen from the reaction mixture. | 08-13-2009 |
20090292144 | DIRECT AMINATION OF HYDROCARBONS - A process for aminating hydrocarbons with ammonia, which comprises performing the amination in the presence of an additive which reacts with hydrogen, the additive used being at least one organic chemical compound, N | 11-26-2009 |
20120296121 | PROCESS FOR PRODUCING CARBON FILLERS HAVING COVALENTLY BONDED AMINO GROUPS - The invention relates to a process for producing carbon fillers having covalently bonded amino groups, by converting a mixture comprising carbon fillers and alkali metals and/or alkaline earth metals and/or amides thereof in liquid anhydrous ammonia, optionally together with an inert solvent, at temperatures of 35 to 500° C. and a pressure of 30 to 250 bar. | 11-22-2012 |