Investigation of condensed pyrimidine,pyrazine, and pyridine systems |
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Authors: | N. V. Sazonov N. A. Nersesyan E. O. Sochneva E. M. Peresleni L. F. Linberg Yu. N. Sheinker T. S. Safonova |
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Affiliation: | (1) S. Ordzhonikidze All-Union Scientific-Research Pharmaceutical-Chemistry Institute, 119021 Moscow |
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Abstract: | The reaction of 5-hydroxy-6-aminopyrimidines with chloromalonic ester in alcohol or with bromomalonic ester in dimethylformamide leads to 6-carbethoxypyrimido-7-oxazinones, whereas a mixture of 6-carbethoxypyrimido-7-oxazinones and 6,6-spirodipyrimido-7-oxazinones is formed in the reaction with bromomalonic ester in alcohol. The latter oxazinones were obtained by reaction of 5-hydroxy-6-aminopyrimidines with dibromomalonic ester. Some of the properties of the synthesized compounds were studied.See [1] for communication XXV.Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 3, pp. 391–396, March, 1978. |
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