(1S,4aR,4bR,6aS,12aS,12bR,14aR)-10-Methoxy-1,4a,6a,12b-tetramethyl-2,3,4,4a,4b,5,6,6a,12,12a,12b,13,14,14a-tetradecahydro-1H-7-oxa-benzo[b]chrysene-1-carboxylic acid methyl ester 在
lithium aluminium tetrahydride 作用下,
以
四氢呋喃 为溶剂,
反应 1.5h,
以98%的产率得到((1S,4aR,4bR,6aS,12aS,12bR,14aR)-10-Methoxy-1,4a,6a,12b-tetramethyl-2,3,4,4a,4b,5,6,6a,12,12a,12b,13,14,14a-tetradecahydro-1H-7-oxa-benzo[b]chrysen-1-yl)-methanol