2,2,3-trimethyl-N-[(4-nitrophenyl)methylideneamino]penta-3,4-dien-1-imine 以
5,5-dimethyl-1,3-cyclohexadiene 为溶剂,
反应 7.5h,
生成 (3R,6aR)-5,6,6-Trimethyl-3-(4-nitro-phenyl)-3,4,6,6a-tetrahydro-2a,6b-diaza-cyclopenta[cd]pentalene-1,2-dicarboxylic acid dimethyl ester