Reaction of arylglyoxal hydrate derivatives with cyanoguanidine under benzilic rearrangement effect

A novel series of (5-aryl-4-oxoimidazolidin-2-ylidene)cyanamides was successfully synthesized via the reaction of arylglyoxal hydrates with cyanoguanidine through benzilic rearrangement mechanism. The reaction was also optimized by changing various reaction factors for endeavor to increase the yield...

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Veröffentlicht in:Monatshefte für Chemie 2021-10, Vol.152 (10), p.1285-1290
Hauptverfasser: Moustafa, Amr H., Hussein, Bahgat R. M.
Format: Artikel
Sprache:eng
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Zusammenfassung:A novel series of (5-aryl-4-oxoimidazolidin-2-ylidene)cyanamides was successfully synthesized via the reaction of arylglyoxal hydrates with cyanoguanidine through benzilic rearrangement mechanism. The reaction was also optimized by changing various reaction factors for endeavor to increase the yield of the target product and reduce the by-product 1-cyano-3-(2-oxo-2-arylethylidene)guanidine formation. Graphic abstract
ISSN:0026-9247
1434-4475
DOI:10.1007/s00706-021-02838-z