2-benzyloxycarbonylamino-3-(tert-butyl-diphenylsilanyloxy)-2-methyl-propionic acid 2-(4-octyl-phenyl)-2-oxoethyl ester 在
ammonium acetate 、
溶剂黄146 、
碳酸氢钠 作用下,
以
乙酸乙酯 为溶剂,
以33%的产率得到{2-(tert-butyl-diphenyl-silanyloxy)-1-methyl-1-[4-(4-octyl-phenyl)-oxazol-2-yl]-ethyl}-carbamic acid benzyl ester