CAS: 106-40-1; 4-Bromo-Aniline

上下游产品

O-Methylhydroxylamin (4-bromophenyl)magnesium bromide N-benzyloxyamine 4-Bromobenzoic acid 2-(4-bromophenylamino)ethan-1-ol N-furfurylidene-aniline4-bromo-N-furfurylidene-aniline succinic acid mono-4-bromoanilide N-(4-bromophenyl)furan-2-carboxamide

1H,1H'-2,2'-Biindolylidene-3,3'-Dione置于溴,铬酸,Potassium Carbonate体系中,化学反应生成4-溴苯胺
参考文献:Hofmann,Justus Liebigs Annalen Der Chemie,1845,Vol. 53,P. 12;
标题:Hofmann,Justus Liebigs Annalen Der Chemie,1845,Vol. 53,P. 12;

专利信息

专利号:US-11040938-B2
优先权日:2016-07-27
标 题 :Continuous flow process for the synthesis of phenylhydrazine salts and substituted phenylhydrazine salts
发明人：MA BING; PAN SHUAI
权利人:SHANGHAI HYBRID—CHEM TECH; SHANGHAI HYBRID CHEM TECH
摘要:The present invention provided a continuous flow process for the synthesis of phenylhydrazine salts and substituted phenylhydrazine salts. Diazotization, reduction, acidic hydrolysis and salifying with acids are innovatively integrated together. Using acidic liquids of aniline or substituted aniline, diazotization reagents, reductants and acids as raw materials, phenylhydrazine derivative salts is obtained through the synthesis process, which is a three-step continuous tandem reaction including diazotization, reduction, acidic hydrolysis and salifying. The described synthesis process is a kind of integrated solutions, which is carried out in an integrated reactor. The feed inlets of the integrated reactor are continuously filled with raw materials. In the integrated reactor, diazotization, reduction, acidic hydrolysis and salifying are carried out continuously and orderly, and phenylhydrazine salts or substituted phenylhydrazine salts is obtained in the outlet of the integrated reactor without interruption. The total reaction time is no more than 20 min.

专利号:US-2025179012-A1
优先权日:2022-03-04
标 题:Synthesis of sulfur(vi) compounds and reagents for same
发明人：LOPCHUK JUSTIN MATTHEW; SHULTZ ZACHARY
权利人:H LEE MOFFITT CANCER CT & RES
摘要:This disclosure provides reagents and processes for the synthesis of organic compounds, more particularly reagents and processes for the asymmetric synthesis of sulfur (VI) containing organic compounds.

专利号:US-2013338369-A1
优先权日:2011-03-07
标 题 :Process for the Synthesis of Aminobiphenylene
发明人：HEINRICH MARKUS; PRATSCH GERALD
权利人:HEINRICH MARKUS; PRATSCH GERALD; BASF SE
摘要:The present invention relates to a process for the synthesis of 2-aminobiphenylene and derivatives thereof by reacting a benzene diazonium salt with an aniline compound under basic reaction conditions.

专利号:US-4336383-A
优先权日:1980-05-07
标题:1-1-Binaphthyl-4,4',5,5',8,8'-hexacarboxylic acid compounds, method of preparation and use thereof for the synthesis of asymmetric derivatives of 3,4,9,10-perylenetetracarboxylic acid, and for dyeing and printing of textile materials
发明人：VOROZHTSOV GEORGY N; MASANOVA NATALIA N; FELDBLJUM NIKOLAI B; ALEXEEV VASILY I; SHIGALEVSKY VADIM A; SOLOMATIN GEORGY G; SHULEPOVA OLGA I; KHAITUN GALINA G; GORDEEVA NADEZHDA V
权利人:VOROZHTSOV GEORGY N; MASANOVA NATALIA N; FELDBLJUM NIKOLAI B; ALEXEEV VASILY I; SHIGALEVSKY VADIM A; SOLOMATIN GEORGY G; SHULEPOVA OLGA I; KHAITUN GALINA G; GORDEEVA NADEZHDA V
摘要:1,1'-Binaphthyl-4,4',5,5',8,8'-hexacarboxylic acid compounds having the following formula: ##STR1## wherein R 1 is hydrogen, halogen, or alkyl; when X is oxygen, Y is hydrogen, alkyl, a cycloalkyl, or an aryl containing at least one substituent from the group including: halogen, alkyl, or alkoxy, when X is nitrogen, Y is ##STR2## wherein R 2 is hydrogen, halogen, or alkyl; Y being linked to X with the formation of a benzimidazole cycle. n The method for preparing the compounds according to the present invention resides in the treatment of that 1,1'-binaphthyl-4,4',5,5',8,8'-hexacarboxylic acid anhydride with an alkali to give a corresponding salt which is condensed with orthophenylenediamines upon heating at reflux at a pH of from 6.3 to 6.8. The resulting benzimidazole-1,1'-binaphthyl-4,4',5,5',8,8'-hexacarboxylic acid anhydride having the formula: ##STR3## wherein R 1 is hydrogen, halogen, or alkyl, is isolated and condensed with an amine or ortho-phenylenediamines in an excess of the amine, in water or an organic solvent, followed by isolation of the desired product. n The compounds according to the present invention are employed for the synthesis of asymmetric compounds of 3,4,9,10-perylenetetracarboxylic acid, as well as for dyeing and printing of textile materials with the formation, on the material, of asymmetric compounds of 3,4,9,10-perylenetetracarboxylic acid having the following formula: ##STR4## wherein R 1 is hydrogen, halogen, or alkyl; when X is oxygen, Y is hydrogen, alkyl, cycloalkyl, or aryl containing at least one substituent from the group including; halogen, alkyl, or alkoxy, when X is nitrogen, Y is ##STR5## where R 2 is hydrogen, halogen, or alkyl; Y being linked with X to form a benzimidazole cycle. n The compounds according to the present invention dye textile materials to various shades of violet color.

专利号:WO-2022123336-A1
优先权日:2020-12-07
标 题 :Chromeno [4,3-b] quinoline compounds and their synthesis by using silicotungstic acid [h4siw12o40]
发明人：HEGDE SUBRAMANYA GOPAL; LOKESH KOODLUR SANNEGOWDA; SHUBHA JAYACHAMARAJAPURA PRANESH; SUSHMA NURANI VISWANATHAN; BASAVARAJU GIRISH; DANAGOUDAR ANANDA; BODA VIJAY KUMAR
权利人:HEGDE SUBRAMANYA GOPAL; LOKESH KOODLUR SANNEGOWDA
摘要:The present invention relates to the development of novel compounds of chromeno [4,3-b] quinolone derivatives. It particularly relates to the development of novel compounds of thiochromeno [4,3-b] quinolone derivatives for the treatment of coronary artery diseases, dyslipidemia, and metabolic syndrome. The present invention also relates to the first synthesis of Silicotungstic -catalyzed Aza-Diels-Alder-reactions (ADAR) with s-prenyl derivatives of α-tetralone, 4-chromanone and Thiochroman-4-one and various substituted amines to deliver cycloadducts in good yield and excellent diastereoselectivity under mild reaction conditions. The invention further relates to the method for the treatment of coronary artery diseases, dyslipidemia, and metabolic syndrome by using synthesized compounds of thiochromeno [4,3-b] quinolone derivatives. The present invention provides the use of Silicotungstic acid as Lewis acid for Aza-Diels-Alder-reactions to get a mixture of diastereomers are the first examples. In addition to its efficiency, simplicity, and mild reaction conditions, the catalyst is very cheap and only a small amount (10 mol%) is needed. Intramolecular cyclization was carried out very conveniently as a one-pot reaction starting from the S-prenyl chromene-3-carbaldehyde and arylamines without isolation of the intermediate imines.

专利号:US-2006052577-A1
优先权日:2001-02-06
标题:Methods of synthesis of polymers and copolymers from natural products
发明人：SWIFT GRAHAM; WESTMORELAND DAVID G; HUGHES KATHLEEN
权利人:SWIFT GRAHAM; WESTMORELAND DAVID G; HUGHES KATHLEEN
摘要:Described are polymers and copolymers containing sorbitol, citric acid, starch, aspartic acid, succinic anhydride, adipic acid mixtures thereof, methods of their synthesis and their uses.