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2-Quinazolylguanidines in Heterocyclization Reactions. 2. Condensation with α,β-Unsaturated Carbonyl Compounds |
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| Authors: | Kh S Shikhaliev A V Falaleev G I Ermolova A S Solov'ev |
| Institution: | (1) Voronezh State University, Voronezh, 394693, Russia |
| Abstract: | 4,6,6-Trimethyl-1,4-dihydropyrimidines have been synthesized by condensation of 2-quinazolylguanidines with mesityl oxide. The analogous reaction with benzalacetone leads to unstable 4-methyl-6-phenyl-1,4-dihydropyrimidines, which are oxidized to the corresponding 4-methyl-6-phenylpyrimidines. |
| Keywords: | 4-methyl-6-phenyl-1 4-dihydropyrimidines 4-methyl-6-phenylpyrimidines mesityl oxide 4 6 6-trimethyl-1 4-dihydropyrimidines 2-quinazolylguanidines condensation oxidation |
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