Pyridazines. XLVI. Ring Opening of Some Azolo and Azino Pyridazines

A. Pollak Department of Chemistry, University of Ljubljana, 61001, Ljubljana, Yugoslavia

B. Stanovnik Department of Chemistry, University of Ljubljana, 61001, Ljubljana, Yugoslavia

M. Tišler Department of Chemistry, University of Ljubljana, 61001, Ljubljana, Yugoslavia

Abstract

A facile cleavage of the five-membered ring of certain quaternary s-triazolo (4, 3-b)pyridazines under basic conditions was recorded recently². We report now several interesting cases of the six-membered ring opening in some related systems under similar conditions.

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Pyridazines. XLVI. Ring Opening of Some Azolo and Azino Pyridazines

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Pyridazines. XLVI. Ring Opening of Some Azolo and Azino Pyridazines

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