There is disclosed a process for the preparation of a mixture of tamoxifen and the corresponding E isomer which comprises the reductive coupling of 4-(beta-dimethylamino- ethoxy)benzophenone, or an acid salt thereof and propiophenone. The coupling is induced in the presence of a low valent titanium reagent.
本发明公开了一种制备
他莫昔芬和相应的 E 异构体混合物的工艺,该工艺包括 4-(β-
二甲氨基-乙氧基)
二苯甲酮或其酸盐与
苯丙酮的还原偶联。耦合是在低价
钛试剂存在下进行的。