2-[(2,4-Dimethoxyphenyl)methylidene]-3,4-dihydronaphthalen-1-one 、 N-<(5,6-benzocoumarin-3-yl)-carbomethyl>-pyridinium bromide 在
ammonium acetate 、
溶剂黄146 作用下,
反应 13.25h,
以59%的产率得到2-[1-(2,4-dimethoxyphenyl)-9,10-dihydro-4-azaphenanthren-3-yl]benzo[f]coumarin