(3aR,4S,4aS,5R,7S,7aR,8S,8aR)-5-but-3-enyl-4-ethenyl-8-[(4-methoxyphenyl)methoxy]-2,2-dimethyl-7a-phenylmethoxy-7-phenylsulfanyl-3a,4a,5,7,8,8a-hexahydro-[1,3]dioxolo[4,5-f][2]benzofuran-4-ol 在
RuCl2(1,3-dimesityl-imidazolidin-2-yl)(PCy3)(=CHPh) 作用下,
以
二氯甲烷 为溶剂,
反应 9.0h,
以84%的产率得到(1R,2S,4R,9S,10R,14R,15S,16S)-15-[(4-methoxyphenyl)methoxy]-12,12-dimethyl-1-phenylmethoxy-2-phenylsulfanyl-3,11,13-trioxatetracyclo[7.6.1.04,16.010,14]hexadec-7-en-9-ol