Journal of heterocyclic chemistry

Oxidative cyclization of n??methyl??and n??benzoylpyridylthioureas. Preparation of new thiazolo [4, 5??b] and [5, 4??b] pyridine derivatives

K Jouve, J Bergman

Index: Jouve, Karine; Bergman, Jan Journal of Heterocyclic Chemistry, 2003 , vol. 40, # 2 p. 261 - 268

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Citation Number: 19

Abstract

Abstract Cyclization of N-methyl-and N-benzoylpyridylthioureas, prepared from the corresponding aminopy-ridines, has been realized using various conditions. With bromine in acetic acid or potassium ferricyanide, the cyclization occurred on the nitrogen of the pyridine