(1S*,5S*,10aR*)-1-<(8'S*,8a'R*)-8',8a'-dimethyl-4'-oxo-1',4',6',7',8',8a'-hexahydronaphthalen-2'-yl>-4-hydroxy-1,4,5,10a-tetramethyl-1,2,3,4,5,6,7,9,10,10a-decahydroanthracen-9-one 在
sodium tetrahydroborate 作用下,
以
乙酸乙酯 为溶剂,
反应 20.0h,
以70%的产率得到(1S*,5S*,10aR*)-1-<(4a'R*,8'S*,8a'R*)-8',8a'-dimethyl-4'-oxo-1',4',4a',5,6',7',8',8a'-octahydronaphthalen-2'-yl>-4-hydroxy-1,4,5,10a-tetramethyl-1,2,3,4,5,6,7,9,10,10a-decahydroanthracen-9-one