CAS: 320-72-9; 3,5-Dichloro-2-Hydroxybenzoic Acid

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5-氯代水杨酸置于氯体系中,用 溶剂黄146 用作溶剂,化学反应生成3,5-二氯水杨酸
参考文献:Dowd,Christopher D.; Paul,D. Brenton,Australian Journal Of Chemistry,1984,Vol. 37,# 1,P. 73-86
标题:Dowd,Christopher D.; Paul,D. Brenton,Australian Journal Of Chemistry,1984,Vol. 37,# 1,P. 73-86

专利信息

专利号:US-5194666-A
优先权日:1992-07-30
标 题 :Process for preparing esters of 3,5,6-trichlorosalicyclic acid
发明人：SEDLAK JOHN A; HIGGINS MARK A; ESSENFELD AMY P
权利人:AMERICAN CYANAMID CO
摘要:An improved process for the synthesis of esters of 3,5,6-trichlorosalicylic acid in quantitative yield comprises reacting the acid with an alcohol under distillation conditions in the presence of a titanium ester or chelate catalyst, whereby byproduct ether formation from the alcohol is suppressed. The process is especially applicable to a process by which salicylic acid is chlorinated first in concentrated sulfuric acid and then with iodine catalyst to make the trichlorosalicylic acid which is extracted and then reacted with an alcohol and a titanium catalyst to make the ester.

专利号:US-4621160-A
优先权日:1983-06-23
标题 :Process for the chlorination of aromatic derivatives
发明人：DESBOIS MICHEL; DISDIER CAMILLE
权利人:RHONE POULENC SPEC CHIM
摘要:A process for the chlorination of aromatic derivatives. The aromatic derivative is reacted with chlorine gas in liquid hydrofluoric acid. The products obtained are useful as intermediates for the synthesis of compounds having a plant-protecting or pharmaceutical activity.

专利号:US-9217012-B2
优先权日:2009-04-08
标题 :Inhibitors of protein tyrosine phosphatases
发明人：ZHANG ZHONG-YIN; ZHANG SHENG
权利人:ZHANG ZHONG-YIN; ZHANG SHENG; UNIV INDIANA RES & TECH CORP
摘要:Disclosed herein are compounds that selectively inhibit members of the PTP family of enzymes. Synthesized compounds demonstrated selective inhibition of TC-PTP. Also provided are methods of using the compounds and formulations containing the compounds. Also described is a fluorescence-tagged combinatorial library synthesis and screening method. And methods of using these compounds to effect enzyme activity both in cells and in vitro as well as method of using these compounds to treat diseases in human and animals.

专利号:US-4308395-A
优先权日:1980-07-11
标题:Processes for preparing 3,5,6-trichlorosalicylic acid and esters thereof
发明人：MANFRE ROBERT J; MOHAN ARTHUR G; RAUHUT MICHAEL M
权利人:AMERICAN CYANAMID CO
摘要:An improved single-pot process for synthesis of 3,5,6-trichlorosalicylic acid and esters thereof is described. Salicylic acid is chlorinated first in concentrated sulfuric acid and then with iodine catalyst to make the trichlorosalicylic acid which is extracted and then reacted with an alcohol to make the ester.

专利号:CN-114853594-A
优先权日:2022-05-20
标 题 :A kind of production and synthesis method of 3,5,6-trichlorosalicylic acid