(R)-4-((1R,4aS,6R,8aS)-6-Bromo-5,5,8a-trimethyl-decahydro-naphthalen-1-yl)-2-hydroxy-2-methyl-butyraldehyde 在
4-二甲氨基吡啶 、 sodium tetrahydroborate 作用下,
以
乙醇 为溶剂,
反应 12.0h,
生成
(R)-4-[2-((1R,2R,4aS,6R,8aR)-6-Bromo-2-hydroxy-2,5,5,8a-tetramethyl-decahydro-naphthalen-1-yl)-ethyl]-4-methyl-[1,3]dioxolane-2-thione