Studies on the chemical synthesis of potential antimetabolites. 30. Regioselective introduction of a chlorine atom into the imidazo [4, 5??b] pyridine nucleus

T Itoh, K Ono, T Sugawara…

Index: Journal of Heterocyclic Chemistry, , vol. 19, # 3 p. 513 - 517

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Citation Number: 22

Abstract

... chloride or sulfuryl chloride may give chlorinated derivatives with loss of the JV-oxide group, usually, a mixture of a- and 7-chloro heterocycles being formed (11). ... (8) T. Itoh, S. Kitano and Y. Mizuno, J. Heterocyclic Chem., 9 ... (9) Y. Mizuno, N. Ikekawa, T. Itoh and K. Saito, J. Org. ...