N-tert.-Butyloxycarbonyl-S-trityl-L-cysteinyl-S-diphenylmethyl-L-cysteinyl-L-alanyl-glycyl-L-valyl-S-trityl-L-cysteinyl-L-alanyl-L-leucin 在
Iod 作用下,
以
甲醇 为溶剂,
反应 0.17h,
以65%的产率得到N-tert.-Butyloxycarbonyl-L-hemicystinyl-S-diphenylmethyl-L-cysteinyl-L-alanyl-glycyl-L-valyl-L-hemicystinyl-L-alanyl-L-leucin