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ISSN 2063-5346
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SYNTHESIS OF THIENO[3,2-d]PYRIMIDIN-4-ONES AND ALKYLATION THEREOF

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Alexander S. Shestakov, Mikhail A. Prezent, Victor G. Kartsev, Khidmet S. Shikhaliev

Abstract

The 3-R-thieno[3,2-d]pyrimidine-2,4(1H,3H)-diones (5a-с) and 3-R-2-thioxo-2,3-dihydrothieno[3,2-d]pyrimidine-4(1H)-ones (5d-g) were synthesized using methyl 3-aminothiophene-2-carboxylate and alkyl-, arylisocyanates and isothiocyanates respectively, which in turn converted into its N- и S- alkyl derivates (8a-e, 9a-g).

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