butyric acid (1R,2R)-2-[(E/Z)-(19S, 20S)-19-(tert-butyldimethylsilanyloxy)-20-methyloctatriacont-1-enyl]cyclopropylmethyl ester 在
2,4,6-三异丙基苯磺酰基肼 作用下,
以
四氢呋喃 为溶剂,
反应 27.0h,
以76%的产率得到butyric acid (1R,2S)-2-[(19S,20S)-19-(tert-butyldimethylsilanyloxy)-20-methyloctatriacontyl]cyclopropylmethyl ester