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公开(公告)号:US06822113B2
公开(公告)日:2004-11-23
申请号:US10431951
申请日:2003-05-08
IPC分类号: C07C6900
CPC分类号: C07C303/32 , C07C303/22 , C07C309/42
摘要: A process for preparing acyloxybenzenesulfonates by reacting anhydrous phenolsulfonates with carboxylic acid derivatives comprises conducting the reaction with a salt of a phenolsulfonic acid which has a water content of less than 0.5% by weight and has been contacted with a substance having basic properties.
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公开(公告)号:US5837872A
公开(公告)日:1998-11-17
申请号:US554946
申请日:1995-11-13
IPC分类号: C07C231/02 , C07C233/47 , C07C227/18
CPC分类号: C07C231/02
摘要: This invention relates to an improved process for preparing selected N-acyl-aminodiacids such as lauroyl glutamic acid.
摘要翻译: 本发明涉及一种制备选择性的N-酰基 - 氨基二糖如月桂酰谷氨酸的改进方法。
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