苯乙烯 、
(2S,3R,E,4'R,5'R)-ethyl 3-[4',5'-bis(methoxydiphenylmethyl)-1',3',2'-dioxaborolan-2'-yl]-2-methylpent-4-enoate 在
RuCl2(1,3-dimesityl-imidazolidin-2-yl)(PCy3)(=CHPh) 作用下,
以
二氯甲烷 为溶剂,
反应 21.0h,
以66%的产率得到(2S,3R,E,4'R,5'R)-ethyl 3-[4',5'-bis(methoxydiphenylmethyl)-1',3',2'-dioxaborolan-2'-yl]-2-methyl-5-phenylpent-4-enoate