An unexpected transformation of 3,4-diacylfuroxans into 3-acyl-4-acylaminofurazans in the reaction with nitriles

An unexpected transformation of 3,4-diacylfuroxans into 3-acyl-4-acylaminofurazans in the reaction with nitriles

The reaction of 3,4-diacyl-1,2,5-oxadiazole 2-oxides (furoxans) with activated nitriles in ionic liquids and in ethanol unexpectedly resulted in 3-acyl-4-acylamino-1,2,5-oxadiazoles (furazans); a possible mechanism of this reaction is proposed.

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Veröffentlicht in:Mendeleev communications 2003, Vol.13 (5), p.230-232
Hauptverfasser: Seregin, Ilya V., Ovchinnikov, Igor V., Makhova, Nina N., Lyubetsky, Denis V., Lyssenko, Konstantin A.
Format: Artikel
Sprache:eng
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Zusammenfassung:The reaction of 3,4-diacyl-1,2,5-oxadiazole 2-oxides (furoxans) with activated nitriles in ionic liquids and in ethanol unexpectedly resulted in 3-acyl-4-acylamino-1,2,5-oxadiazoles (furazans); a possible mechanism of this reaction is proposed.
ISSN:0959-9436
DOI:10.1070/MC2003v013n05ABEH001811