Process for the preparation of trifluoroethoxy-substituted benzoic acids.,申请号ZA20020010300-传众专利搜索

Process for the preparation of trifluoroethoxy-substituted benzoic acids.

申请公布号：ZA200210300(B)

申请号：ZA20020010300

申请日期：2002.12.19

申请公布日期：2004.09.06

申请人：

MERCK PATENT GMBH.

发明人：KAI FABIAN;HERBERT TILLY;STEFFEN ENKE

分类号：B01J27/122;C07B61/00;C07C51/367;C07C59/64

主分类号：B01J27/122

摘要：The invention relates to a method for the production of trifluoroethoxy-substituted benzoic acids, by reaction of a corresponding halogenated benzoic acid with trifluoroethanol in the solvent tetrahydrofuran, in the presence of a base and a copper salt, followed by an acidic work-up.

包括具有增加的热绝缘和热阻性能的区域的衣服物品

基站和方法

水可分散的环状碳酸酯官能化的乙烯基共聚物体系

缝纫机及其驱动控制方法

电子器件控制系统和方法

旋转角度检测装置和使用其的电动助力转向系统