S-(acetamidomethyl)-L-cysteinyl-O-tert-butyl-L-threonyl-O-tert-butyl-L-serine methyl ester 、 N
4a-<1-(4-biphenylyl)-1-methylethoxycarbonyl>-L-glutaminyl-S-trityl-L-cysteine pentafluorophenyl ester 以
乙酸乙酯 为溶剂,
生成 N
α-<1-(4-biphenylyl)-1-methylethoxycarbonyl>-L-glutaminyl-S-trityl-L-cyteinyl-S-(acetamidomethyl)-L-cysteinyl-O-tert-butyl-L-threonyl-O-tert-butyl-L-serine methyl ester