A novel one-step procedure for the conversion of thymidine into 2,3′-anhydrothymidine

Abstract
2,3′-Anhydrothymidine (3) is obtained in ca. 65% yield by heating thymidine (2) with an excess of diphenyl sulphite in dimethylacetamide solution; (3) reacts with lithium azide to give 3′-azido-3′-deoxythymidine [AZT, (1)] in good yield.

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