(E)-(R)-5-[(2S,3S,5S,7S)-3-(tert-Butyl-dimethyl-silanyloxy)-2,5,8,8-tetramethyl-7-triethylsilanyloxy-nonanoylsulfanyl]-4-hydroxy-2-methyl-pent-2-enoic acid methyl ester 在
二苯基膦叠氮化物 、
三苯基膦 、
偶氮二甲酸二乙酯 作用下,
以
四氢呋喃 为溶剂,
反应 12.33h,
生成 (E)-3-{(S)-2-[(1S,2S,4S,6S)-2-(tert-Butyl-dimethyl-silanyloxy)-1,4,7,7-tetramethyl-6-triethylsilanyloxy-octyl]-4,5-dihydro-thiazol-4-yl}-2-methyl-acrylic acid methyl ester