公开(公告)号：US06822113B2

公开(公告)日：2004-11-23

申请号：US10431951

申请日：2003-05-08

Applicant: Gerd Reinhardt ,  Peter Naumann ,  Alexander Lerch ,  Wolf-Dieter Mueller ,  Narayan D. Sadanani

Inventor： Gerd Reinhardt ,  Peter Naumann ,  Alexander Lerch ,  Wolf-Dieter Mueller ,  Narayan D. Sadanani

IPC: C07C6900

CPC classification number: C07C303/32 ,  C07C303/22 ,  C07C309/42

Abstract: 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.

公开(公告)号：US5837872A

公开(公告)日：1998-11-17

申请号：US554946

申请日：1995-11-13

Applicant: David M. Brown ,  Mohammad A. Khadim ,  Narayan D. Sadanani ,  April Yeager

Inventor： David M. Brown ,  Mohammad A. Khadim ,  Narayan D. Sadanani ,  April Yeager

IPC: C07C231/02 ,  C07C233/47 ,  C07C227/18

CPC classification number: C07C231/02

Abstract: This invention relates to an improved process for preparing selected N-acyl-aminodiacids such as lauroyl glutamic acid.

Abstract translation: 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。