acetic acid (S)-1-{(1R,2R,6R)-6-isopropyl-2-[(2S,3R)-2-methoxymethoxy-3-methyl-pent-4-enyl]-3-methyl-cyclohex-3-enylmethyl}-but-3-enyl ester 在
RuCl2(1,3-dimesityl-imidazolidin-2-yl)(PCy3)(=CHPh) 作用下,
以
甲苯 为溶剂,
以78%的产率得到Acetic acid (Z)-(4R,4aR,6S,10R,11S,12aR)-4-isopropyl-11-methoxymethoxy-1,10-dimethyl-3,4,4a,5,6,7,10,11,12,12a-decahydro-benzocyclodecen-6-yl ester