Synlett 2016; 27(17): 2455-2458
DOI: 10.1055/s-0035-1562464
letter
© Georg Thieme Verlag Stuttgart · New York

A Convenient Approach for the Synthesis of 1,3-Diphenyl-1H-pyrazole-5-carbonitrile

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Received: 03. April 2016

Accepted after revision: 03. Juni 2016

Publikationsdatum:
14. Juli 2016 (online)


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Abstract

An operationally simple and efficient protocol for the synthesis of unsymmetrical substituted 1,3-pyrazole derivatives has been developed via a three-component coupling reaction involving hydrazonoyl chloride, 4-oxo-4H-chromene-3-carbaldehyde, and hydroxylamine hydrochloride.