Elena V. Gromachevskaya, E. Kaigorodova, L. Konyushkin
Jun 15, 2017
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Journal
Chemistry of Heterocyclic Compounds
Abstract
New 2-aryl-4,4-diphenyl-3,4-dihydroquinazolines were obtained by a reaction of (2-aminophenyl)(diphenyl)carbinol with nitriles. Methylation of 3,4-dihydroquinazolines with excess of dimethyl sulfate occurred at two nitrogen atoms, while the subsequent alkaline hydrolysis was accompanied by opening of the heterocycle at the C(2)–N(3) bond, forming the respective amides. The molecular structure of N-methyl-N-{2-[(diphenyl)(methylamino)methyl]phenyl}benzamide was proved by X-ray structural analysis.