(R)-2-((R)-1-acetoxy-16-{(1R,2S)-2-[(19S,20S)-19-(tert-butyldimethylsilanyloxy)-20-methyloctatriacontyl]cyclopropyl}hexadec-15-enyl)hexacosanoic acid methyl ester 在
potassium diazodicarboxylate 、
溶剂黄146 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
以91%的产率得到(R)-2-((R)-1-acetoxy-16-{(1R,2S)-2-[(19S,20S)-19-(tert-butyldimethylsilanyloxy)-20-methyloctatriacontyl]-cyclopropyl}hexadecyl)hexacosanoic acid methyl ester