[α-methylene-Sar]-3-[(γ-hydroxy)-NMeLeu]-4-cyclosporin 、
ethyl (S)-2-(2-mercaptoethyl)-5-(4-morpholino)valerate 在
lithium hydroxide 作用下,
以
甲醇 为溶剂,
以0.16 g的产率得到[(S)-((3-(S)-(ethoxycarbonyl)-6-(4-morpholino)hexyl)thio)methyl-Sar]-3-[(γ-hydroxy)-N-MeLeu]-4-cyclosporin