2-allyl-6-methoxy-benzoic acid (1R,3S,4R)-1-[2-(4-methoxy-benzyloxy)-ethyl]-3-methoxymethoxy-4,7-dimethyl-oct-6-enyl ester 在
RuCl
2[P(Cy)2(CHPh)(1,3-bis-(Mes)-2,3-dihydro-imidazol-2-yl)] 作用下,
以
甲苯 为溶剂,
反应 1.5h,
以93%的产率得到(7R,9S,10R)-4-methoxy-7-[2-(4-methoxy-benzyloxy)-ethyl]-9-methoxymethoxy-10-methyl-7,8,9,10,11,14-hexahydro-6-oxa-benzocyclododecen-5-one