(3S,4S,6S,8R,10S)-12-Cyano-11-hydroxy-3-(2-methoxy-ethoxymethoxy)-4,6,8,10-tetramethyl-dodecanoic acid methyl ester 在
pyridinium chlorochromate 作用下,
以
二氯甲烷 为溶剂,
反应 12.0h,
以75%的产率得到(3S,4S,6S,8R,10S)-12-Cyano-3-(2-methoxy-ethoxymethoxy)-4,6,8,10-tetramethyl-11-oxo-dodecanoic acid methyl ester