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Cyclocondensation of 2-aryl aminomethylene-3-aminoquinazolin-4-one with some acids derivatives and formic acid. Applications to the synthesis of some 3,4-dihydro-1,2,4-triazino[6,1-b]quinazolin-4-one derivatives | ||
| Tikrit Journal of Pure Science | ||
| Article 1, Volume 14, Issue 2, 2009, Pages 34-38 | ||
| Author | ||
| M.A. Abdulmalic | ||
| Abstract | ||
| Ethyl N-(N`-aryl glycinyl) anthranilate (1,2) have been prepared by the reaction of ethyl anthranilate with N-aryl glycinyl chloride. The synthesized compounds (1,2) were allowed to react with hydrazine hydrate in n-butanol to afford 2-substituted -3- aminoquinazolin-4-one (3,4). Compounds (3,4) were reacted with some acids derivatives (acetic anhydride, triflouroacetic anhydride, benzoyl chloride and dimethyl carbonate) and formic acid, to give 3,4- dihydro-1,2,4-triazino [6,1-b] quinazolin -4- one derivatives (5-14). The identification of the synthesized compounds were carried out by IR spectroscopy as well as melting points. | ||
| Keywords | ||
| Cyclocondensation; aminoquinazolin; One; triazino; quinazolin | ||
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