Stable heterocyclic diazonium salts derived from indolizine, quinolizine, and pyrrolothiazole

Journal of the Chemical Society C: Organic Pub Date: DOI: 10.1039/J39690001279

Abstract

Three indolizine-1-diazonium salts, a cyclopenta[c]quinolizine-3-diazonium salt and two pyrrolothiazole-7-diazonium salts have been synthesised. In each case they were prepared from the corresponding nitroso-compound. These heterocyclic diazonium salts which couple normally with β-naphthoxide ions, prove exceptionally stable both in the solid state and in solution.

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