(E)-6-{(4R,5S)-5-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-2-(2,2-dimethyl-propionyloxy)-ethyl]-2,2-dimethyl-[1,3]dioxolan-4-yl}-4-oxo-hex-5-enoic acid methyl ester 在
sodium tetrahydroborate 作用下,
以
甲醇 为溶剂,
以71%的产率得到(E)-6-{(4R,5S)-5-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-2-(2,2-dimethyl-propionyloxy)-ethyl]-2,2-dimethyl-[1,3]dioxolan-4-yl}-4-hydroxy-hex-5-enoic acid methyl ester