Diversely functionalized imidazole-4-carboxylates were synthesized by microwave-assisted 1,5-eletrocyclization of 1,2-diaza-1,3-diene-derived azavinyl azomethine ylides 1,2-Diaza-1,3-dienes were treated with primary aliphatic or aromatic amines and subjected to microwave irradiation in the presence of aldehydes 3-Alkyl- and 3-arylimidazole-4-carboxylates were prepared in good yields through a one-pot multicomponent procedure. Modulation of the substituents at C-2, N-3, and C-5 was possible, and 2-unsubstituted Imidazoles were obtained when paraformaldehyde was used

One-pot synthesis of imidazole-4-carboxylates by microwave-assisted 1,5-electrocyclization of azavinyl azomethine ylides

ATTANASI, ORAZIO ANTONIO;FAVI, GIANFRANCO;
2010

Abstract

Diversely functionalized imidazole-4-carboxylates were synthesized by microwave-assisted 1,5-eletrocyclization of 1,2-diaza-1,3-diene-derived azavinyl azomethine ylides 1,2-Diaza-1,3-dienes were treated with primary aliphatic or aromatic amines and subjected to microwave irradiation in the presence of aldehydes 3-Alkyl- and 3-arylimidazole-4-carboxylates were prepared in good yields through a one-pot multicomponent procedure. Modulation of the substituents at C-2, N-3, and C-5 was possible, and 2-unsubstituted Imidazoles were obtained when paraformaldehyde was used
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11576/2502269
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