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- W2950558408 abstract "Attempts to prepare 5-oxothiopyrano [2, 3-d] pyrimidine derivatives by the reaction of 6-mercapto-1, 3-dimethyluracil (I) with various acetylenecarboxylates and ethyl ethoxymethylenecyanomalonate have led instead to the synthesis of substituted thiopyrimidine-2, 4-dione. the condensation of (I) with diethyl ethoxymethylenemalonate yielded readily the corresponding 5-oxothiopyrano [2, 3-d] pyrimidine-2, 4-dione. Elimination of ethoxycarbonyl group in V obtained 1, 3-dimethyl-5-oxothiopyrano [2, 3-d] pyrimidine-2, 4-dione." @default.
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- W2950558408 date "1976-10-26" @default.
- W2950558408 modified "2023-09-25" @default.
- W2950558408 title "ChemInform Abstract: STUDIES ON HETEROCYCLIC COMPOUNDS. XVII. REACTION OF 6-MERCAPTO-1,3-DIMETHYLURACIL WITH ELECTROPHILIC REAGENTS" @default.
- W2950558408 cites W2335348423 @default.
- W2950558408 doi "https://doi.org/10.1002/chin.197643256" @default.
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