Process for the preparation of carboxylic benzyl esters
申请人:——
公开号:US20030233008A1
公开(公告)日:2003-12-18
Carboxylic benzyl esters can be prepared by reacting benzyl chloride with carboxylic acids in the presence of one or more quaternary ammonium carboxylates as catalyst.
羧基苄酯可以通过在一个或多个季铵羧酸盐存在的催化剂下,将苄基氯与羧酸反应制备而成。
Verfahren zur Herstellung von Carbonsäurebenzylestern
申请人:Bayer Aktiengesellschaft
公开号:EP1371627A1
公开(公告)日:2003-12-17
Carbonsäurebenzylester können durch Umsetzung von Benzylchlorid mit Carbonsäuren in Gegenwart eines oder mehrerer quartären Ammoniumcarboxylate als Katalysator hergestellt werden.
Carbonsäure苯甲酯可以通过在一个或多个季铵羧酸盐存在下,将苯甲酰氯与羧酸反应制备而成。
Process for the preparation of benzyl carboxylates
申请人:——
公开号:US20030055279A1
公开(公告)日:2003-03-20
Benzyl carboxylates can be prepared by reacting dibenzyl ethers with carboxylic acids and optionally carboxylic anhydrides in the presence of one or more, preferably one, acids applied to a support as catalyst.
Process for the preparation of carboxylic acid benzyl esters
申请人:——
公开号:US20040127737A1
公开(公告)日:2004-07-01
Carboxylic acid benzyl esters can be prepared by reacting dibenzyl ethers with carboxylic anhydrides in the presence of acid, optionally applied to a support, as catalyst.
羧酸苄酯的制备方法是:二苄基醚与羧酸酐在酸的存在下发生反应,酸可以作为催化剂,也可以作为载体。
SCHATOWITZ, BERT;GERCKEN, GUNTHER, J. CHROMATOGR.-BIOMED. APPL., 425,(1988) N 2, 257-268