Journal of heterocyclic chemistry

Polycyclic N??hetero compounds. XXII Reaction of pyridine N??oxides and Pyrazine di??N??oxides with formamide

T Hirota, T Namba, K Sasaki

Index: Hirota, Takashi; Namba, Tetsuto; Sasaki, Kenji Journal of Heterocyclic Chemistry, 1987 , vol. 24, p. 949 - 953

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Citation Number: 3

Abstract

Abstract Reactions of pyridine N-oxides, pyrazine di-N-oxides, and their benzologues with formamide are described. Carbamoylation mainly occurred at aromatic ring with loss of the N-oxide oxygen atom, however, 2, 4, 6-trimethylpyridine 1-oxide gave 2-and 4-pyrimidinyl derivatives.