(R,E)-1-((R)-2-((R)-1-(tert-butyldimethylsilyloxy)pent-4-enyl)cyclohexylidene)-1-[(S)-N-methyl-S-phenylsulfonimidoyl]hex-5-en-2-ol 在
RuCl2(1,3-dimesityl-imidazolidin-2-yl)(PCy3)(=CHPh) 作用下,
以
二氯甲烷 为溶剂,
反应 16.0h,
以70%的产率得到(4aE,6R,9Z,13S)-13-(tert-butyldimethylsilyloxy)-5-[(R)-N-methyl-S-phenylsulfonimidoyl]-2,3,4,6,7,8,11,12,13,13a-decahydro-1H-benzo[11]annulen-6-ol