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February 28, 2026Журнал органической химии / Russian Journal of Organic Chemistry0 citations

Synthesis of 1,5-Diaryl-Substituted 2-(2-Oxo-1,2-Dihydro-3-Pyrrol-3-Ylidene)Malononitriles

Key Points

The research aims to synthesize previously unknown cyano-substituted derivatives of pyrrol-2-one with a 1,5-diaryl structure.
Reactions of enamines with oxalyl chloride to create intermediate pyrrol-2,3-diones.
Subsequent reactions of intermediate pyrrol-2,3-diones with malononitrile.
Novel cyano-substituted derivatives of pyrrol-2-one were successfully synthesized.
Final products demonstrated the incorporation of 1,5-diaryl fragments in their structure.

Abstract

Previously unknown cyano-substituted derivatives of pyrrol-2-one containing a 1,5-diaryl fragment in their structure have been synthesized. Their preparation is based on the initial reaction of enamines with oxalyl chloride, leading to intermediate pyrrol-2,3-diones, which then react with malononitrile to form the final products.

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S. A. Blinov (Wed,) studied this question.

synapsesocial.com/papers/69a287e20a974eb0d3c03af7 https://doi.org/https://doi.org/10.7868/s3034630425100114