、
甲基三苯基溴化膦 在
potassium tert-butylate 作用下,
以
四氢呋喃 为溶剂,
反应 0.5h,
以56 mg的产率得到methyl (2R)-2-[[(1S,3S,4R,5R,7R,8S,10R,12S,14R,16S,22R)-7-[(2R)-but-3-en-2-yl]-5,14,20,20-tetramethyl-4-(naphthalen-2-ylmethoxy)-2,6,11,15,19,21-hexaoxapentacyclo[12.9.0.03,12.05,10.016,22]tricosan-8-yl]oxy]-4-[(1R,3S,5R,6S,8R,10S,12R,13S)-3,5-dimethyl-12-[(2R)-3-[(2S,4R,5R)-4-methyl-5-[(2S)-4-(naphthalen-2-ylmethoxy)butan-2-yl]oxolan-2-yl]-2-(naphthalen-2-ylmethoxy)propyl]-13-(naphthalen-2-ylmethoxy)-5-trimethylsilyloxy-2,7,11-trioxatricyclo[8.5.0.03,8]pentadecan-6-yl]butanoate