(6aS,12aR)-3-(2,3,8,10-tetrabenzyloxy-5-methyl-5,6a,7,12a-tetrahydro-isochromeno[4,3-b]chromen-5-yl)-propionic acid ethyl ester 在
lithium aluminium tetrahydride 作用下,
以
四氢呋喃 为溶剂,
以92%的产率得到(6aS,12aR)-3-(2,3,8,10-tetrabenzyloxy-5-methyl-5,6a,7,12a-tetrahydro-isochromeno[4,3-b]chromen-5-yl)-propan-1-ol