meso-(4aS,6aR,5ar,11ar)-1,10-bis(4-methylphenyl)-3,4,5,6,7,8,11,12,11a,4a,5a,6a-dodecahydronaphthacene-2,9-dione 在
氨 、
lithium 作用下,
以
四氢呋喃 、
水 为溶剂,
反应 0.5h,
以54%的产率得到meso-(1R,4aR,5as,6aS,10S,10aS,11as,12aR)-1,10-bis(3-methylphenyl)-1,3,4,5,6,7,8,10,11,12,4a,5a,6a,10a,11a,12a-hexadecahydronaphthacene-2,9-dione