Acetic acid (1S,4aR,5S,8aS)-5-hydroxy-4a,6-dimethyl-8-oxo-5-[2-(4-trimethylsilanyl-furan-3-yl)-ethyl]-1,4,4a,5,8,8a-hexahydro-naphthalen-1-ylmethyl ester 在
lithium aluminium tetrahydride 作用下,
以
乙二醇二甲醚 为溶剂,
以84%的产率得到Acetic acid (1S,4aR,5S,6R,8aS)-5-hydroxy-4a,6-dimethyl-8-oxo-5-[2-(4-trimethylsilanyl-furan-3-yl)-ethyl]-1,4,4a,5,6,7,8,8a-octahydro-naphthalen-1-ylmethyl ester