2-[[2-[2-[2,2-Dicyano-1-[4-(dimethylamino)phenyl]ethenyl]phenyl]phenyl]-[4-(dimethylamino)phenyl]methylidene]propanedinitrile 在
samarium diiodide 作用下,
以64%的产率得到2-[(9R,10R)-10-Dicyanomethyl-9,10-bis-(4-dimethylamino-phenyl)-9,10-dihydro-phenanthren-9-yl]-malononitrile