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Abstract
The reactivity of 5-carboethoxy-2-thiouracil (1) toward alkylation by different organohalogen compounds under phase-transfer catalysis (PTC) conditions has been investigated to give S-monoalkylated products and/or simultaneous S- and N-dialkylated products. Also, nucleophilic additions of methylmagnesium iodide, hydroxylamine, and hydrazine to 5-carbethoxy-2-thiouracil (1) have been investigated. The structures of all products have been confirmed by elemental analysis and spectral data.