(S)-3-Hydroxy-3-methyl-5-((S)-2,5,5,8a-tetramethyl-3,4,4a,5,6,7,8,8a-octahydro-naphthalen-1-yl)-pentanoic acid methyl ester 在
chromium(VI) oxide 、 sodium tetrahydroborate 、
硫酸 作用下,
以
甲醇 、
丙酮 为溶剂,
反应 3.0h,
生成
(S)-3-Hydroxy-5-((S)-3-hydroxy-2,5,5,8a-tetramethyl-3,4,4a,5,6,7,8,8a-octahydro-naphthalen-1-yl)-3-methyl-pentanoic acid methyl ester