2-((1-triphenylmethyl-4,5,6,7-tetrahydro-1H-benzimidazol-5-yl)methyl)isoindole-1,3-dione 、 2-((3-triphenylmethyl-4,5,6,7-tetrahydro-3H-benzimidazol-5-yl)methyl)isoindole-1,3-dione 、
4-(dicyanomethylene)-2-methyl-6-(p-dimethylaminostyryl)-4H-pyran 在
ammonium hydroxide 、
一水合肼 作用下,
以
甲醇 、
乙醇 为溶剂,
生成
((1-Triphenylmethyl-4,5,6,7-tetrahydro-1 H-benzimidazol-5-yl)methyl)amine 、
((3-triphenylmethyl-4,5,6,7-tetrahydro-3H-benzimidazol-5-yl)methyl)amine