One step synthesis of pyrimido[1,2-a][1,8]naphthyridinones,pyrido[1,2-a]pyrimidinones and 1,8-naphthyridinones. Antihypertensive agents. V |
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Authors: | Pier Luigi Ferrarini Claudio Mori Giampaolo Primofiore Lorella Calzolari |
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Abstract: | The condensation of 2,6-diaminopyridine and 2-acetamido-6-aminopyridine with β-keto esters in polyphosphophoric acid was studied. In this reaction some 1,8-naphthyridinones, pyrido[1,2-a]pyrimidinones and pyrimido[1,2-a][1,8]naphthyridinones variously substituted were obtained. |
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