((1R,4aR,8aR)-7-Methoxy-8a-methyl-5,8-dioxo-1,4,4a,5,8,8a-hexahydro-naphthalen-1-yl)-acetic acid 在
sodium tetrahydroborate 作用下,
以
甲醇 为溶剂,
反应 0.5h,
以94%的产率得到((1R,4aR,8S,8aR)-8-Hydroxy-7-methoxy-8a-methyl-5-oxo-1,4,4a,5,8,8a-hexahydro-naphthalen-1-yl)-acetic acid