(7aR,11aR,12aR)-2,3-Dimethoxy-6-methyl-5,6,7a,8,9,10,11,11a,12,12a-decahydro-6a,11-diaza-benzo[a]anthracen-7-one 、
甲基磺酰氯 在
lithium aluminium tetrahydride 、
三乙胺 作用下,
生成
(7aR,11aS,12aS)-11-Methanesulfonyl-2,3-dimethoxy-6-methyl-5,7,7a,8,9,10,11,11a,12,12a-decahydro-6H-6a,11-diaza-benzo[a]anthracene