Derivatives of condensed pyrimidine,pyrazine, and pyridine systems |
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| Authors: | M P Nemeryuk T S Safonova |
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| Institution: | 1. S. Ordzhonikidze All-Union Scientific-Research Pharmaceutical-Chemistry Institute, Moscow
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| Abstract: | 4-Amino-, 4-methylamino-, and 4-dimethylamino-6-aminopyrimido4,5-b]-1,4-thiazines were obtained. Some of the properties and transformations of 6-aminopyrimido4,5-b]-1,4-thiazines — their behavior with respect to acids, reductive desulfuration under the influence of Raney nickel, and reaction with hydrazine — were studied. |
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