1,1'-(3,4-dithia-hexane-1,6-diyl)-bis-piperidine 、
cyclosporin A 在
N,N-二甲基丙烯基脲 、
lithium diisopropyl amide 作用下,
以
四氢呋喃 为溶剂,
反应 12.33h,
以9%的产率得到(3S,6S,9S,12R,15S,18S,21S,24S,27R,30S,33S)-30-ethyl-33-[(E,1R,2R)-1-hydroxy-2-methyl-hex-4-enyl]-6,9,18,24-tetraisobutyl-3,21-diisopropyl-1,4,7,10,12,15,19,25,28-nonamethyl-27-[2-(1-piperidyl)ethylsulfanyl]-1,4,7,10,13,16,19,22,25,28,31-undecazacyclotritriacontane-2,5,8,11,14,17,20,23,26,29,32-undecone