(2E,4R,6S,7S,8S,9S)-7-<(tert-butyldimethylsilyl)oxy>-6,8-dimethoxy-4,10-dimethyl-9-(phenylmethoxy)-2-undecenoic acid methyl ester 在
四氧化锇 、 hydroquinidine acetate 作用下,
以
甲苯 为溶剂,
反应 5.0h,
以60.4%的产率得到(2S,3R,4R,6S,7S,8S,9S)-7-<(tert-butyldimethylsilyl)oxy>-2,3-dihydroxy-6,8-dimethoxy-4,10-dimethyl-9-(phenylmethoxy)undecanoic acid methyl ester