Chemistry of Heterocyclic Compounds

Halocyclization of Substituted 2-(Alkenylthio) pyrimidin-6-ones

NY Slivka, YI Gevaza, VI Staninets

Index: Slivka; Gevaza; Staninets Chemistry of Heterocyclic Compounds, 2004 , vol. 40, # 5 p. 660 - 666

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Citation Number: 5

Abstract

Abstract Bromination and iodation of 2-(alkenylthio) pyrimidin-6-ones occur selectively and lead to formation of the corresponding 7-oxo-2, 3-dihydrothiazolopyrimidinium or 8-oxo-3, 4- dihydro-2H-pyrimidothiazinium salts. The selectivity of the reaction is controlled by the