Hydrazinecarboxaldehyde → 3,4-Dihydro-6-(3,4-dimethoxyphenyl)-2-(2-formylhydrazino)-3-methyl-4-(2,4,6-trimethylphenylimino)pyrimidine

関与物質

反応手順

To a suspension of 2-chloro-3,4-dihydro-6-(3,4-dimethoxyphenyl)-3-methyl-4-(2,4,6-trimethylphenylimino)pyrimidine (3.0 g) in chloroform (15 ml) was added formylhydrazine (1.36 g). The mixture was refluxed for 6 hours and cooled to ambient temperature. The resulting precipitates were filtered off and the filtrate was evaporated in vacuo. The residue was chromatographed on silica gel using chloroform to give 3,4-dihydro-6-(3,4-dimethoxyphenyl)-2-(2-formylhydrazino)-3-methyl-4-(2,4,6-trimethylphenylimino)pyrimidine (0.84 g).

情報源と証拠