N-{(S)-(5'-tert-butoxycarbonyl-2'-methylphenyl)[(-)-8-phenylmenthyloxycarbonyl]methyl}-N-(4''-cyanobenzyl)-N,N-dimethylammonium bromide 在
potassium tert-butylate 作用下,
以
四氢呋喃 为溶剂,
生成 2-(5'-tert-butoxycarbonyl-2'-methylphenyl)-3-(4''-cyanophenyl)-2-dimethylaminopropionic acid (-)-8-phenylmenthol ester 、 2-(5'-tert-butoxycarbonyl-2'-methylphenyl)-3-(4''-cyanophenyl)-2-dimethylaminopropionic acid (-)-8-phenylmenthol ester