The reaction of Meldrum's acid and its 5-substituted derivatives with conjugated azoalkenes in the presence of triethylamine produces, via 1,4-conjugate addition, corresponding hydrazones which undergo decarboxylative alcoholysis and simultaneous cyclization to give 3-unsubstituted and 3-monosubstituted 1-amino-1H-pyrrol-2-(3H)-ones respectively.

The Reaction of Meldrum's Acid and Its Derivatives with Conjugated Azoalkenes: A Convenient Route to 1-Amino-1H-pyrrol-2(3H)-ones

ARCADI, Antonio;
1994

Abstract

The reaction of Meldrum's acid and its 5-substituted derivatives with conjugated azoalkenes in the presence of triethylamine produces, via 1,4-conjugate addition, corresponding hydrazones which undergo decarboxylative alcoholysis and simultaneous cyclization to give 3-unsubstituted and 3-monosubstituted 1-amino-1H-pyrrol-2-(3H)-ones respectively.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11697/11719
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