CAS: 121-62-0; 4-Acetamidobenzenesulfonic Acid

上下游产品

CAS号103-84-4 N-乙酰苯胺 | CAS号121-57-3 对氨基苯磺酸 | CAS号103-88-8 4'-溴乙酰苯胺 | CAS号539-03-7 N-(4-氯苯基)乙酰胺 | CAS号248584-41-0 N-(4-((((3S,3aR... | CAS号463-51-4 乙烯酮 | CAS号515-74-2 对氨基苯磺酸钠 | CAS号108-24-7 乙酸酐 | CAS号121-60-8 对乙酰氨基苯磺酰氯 | CAS号69564-58-5 hexyl 4-acetami... | CAS号121-60-8 对乙酰氨基苯磺酰氯 | CAS号2158-14-7 4-乙酰氨基苯磺酰叠氮 | CAS号3989-50-2 N-[4-(hydrazine...

📜对氨基苯磺酸置于硫酸,乙酸酐体系中,用 N-甲基乙酰胺,水 用作溶剂,化学反应生成4-乙酰氨基苯磺酸
参考文献:Process For The Preparation Of N-Acetylaminoarylsulfonic Acids In
标题:Process For The Preparation Of N-Acetylaminoarylsulfonic Acids In
摘要:这项发明涉及无盐n-乙酰氨基芳基磺酸,其通过用乙酸酐或乙酰氯,硫酸对乙酸酐或乙酰氯进行乙酰化制备,硫酸可以含有少量水和/或二甲基甲酰胺和/或n-甲基吡咯烷酮,作用作溶剂,并且利用n-乙酰氨基芳基磺酸制备它们的酸氯化物.

专利信息

专利号:US-4207261-A
优先权日:1977-08-12
标题 :Process for preparing o-phenylenediamine
发明人：CSIKOS REZSO
权利人:MAGYAR ASVANYOLAJ ES FOELDGAZ
摘要:The invention relates to a process for preparing o-phenylenediamine. According to the invention 1,4-dichlorobenzene is nitrated to give 2,5-dichloro-nitrobenzene which is then reacted with an aqueous ammonium hydroxide solution and the 4-chloro-2-nitraniline obtained is subjected to catalytic hydrogenation to afford the end product which can thereafter be separated. n The process according to the invention can be accomplished with a total yield of about 90% related to the 1,4-dichlorobenzene starting compound. n o-Phenylenediamine is a valuable intermediate for instance in the synthesis of plant protecting agents and heat-resistant polymers.

专利号:CN-111392697-B
优先权日:2020-03-18
标题:A kind of treatment method of organic waste acid in the synthesis of para-acetamidobenzenesulfonyl chloride

专利号:CN-113952827-A
优先权日:2021-11-24
标题:A kind of treatment method of organic waste gas in the synthesis of p-acetamidobenzenesulfonyl chloride

专利号:US-7038043-B1
优先权日:1995-08-11
标 题:Glycosylated indolocarbazole synthesis
发明人：WOOD JOHN L; STOLTZ BRIAN M; DIETRICH HANS-JURGEN; PFLUM DEREK A
权利人:UNIV YALE
摘要:Indolocarbazoles are furanosylated (e.g., 7 ) with acetals (e.g., 8 ) or their open chain congeners (e.g., 9 ) under conditions known to promote acetal exchange or formation, such as protic or Lewis acids. Furanosylated indolocarbazoles (e.g., 10 ) are also prepared via ring contraction of pyranosylated indolocarbazoles (e.g., 11 ) under conditions know to effect oxidation and benzylic acid type rearrangements, and pyranosylated indolocarbazoles (e.g., 11 ) are prepared via ring expansion of the furanosylated congeners (e.g., 10 )

专利号:CN-111392697-A
优先权日:2020-03-18
标题 :Method for treating organic waste acid in synthesis of p-acetamido-benzenesulfonyl chloride

专利号:CN-216259951-U
优先权日:2021-11-24
标题:Processing apparatus of organic waste gas in synthesis of p-acetamido benzene sulfonyl chloride