S. Tumkevičius, I. Susvilo, A. Brukštus
2004
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Journal
Chemistry of Heterocyclic Compounds
Abstract
A method is proposed for the synthesis of 6-substituted 4-amino-7-oxopyrrolo[2,3-d]pyrimidine 5-oxides which includes a Sonogashira reaction of 4-amino-6-chloro-5-nitropyrimidine with terminal alkynes and subsequent rearrangement of the 6-alkynyl-5-nitropyrimidines obtained.