Acetic acid (1R,2S)-1-((4R,5R)-2,2-dimethyl-5-vinyl-[1,3]dioxolan-4-yl)-2-phenyl-but-3-enyl ester 在
RuCl2(1,3-dimesityl-imidazolidin-2-yl)(PCy3)(=CHPh) 作用下,
以
二氯甲烷 为溶剂,
以95%的产率得到(1R,2R,3R,4S)-3-acetyloxy-1,2-O-isopropylidene-4-phenylcyclohex-5-en-1,2-diol