HETEROCYCLES

Dipartimento di Chimica del Politecnico-piazza Leonardo da Vinci, 32-20133 Milano, Italy

F Coppa, F Fontana, E Lazzarini, F Minisci

Index: Coppa, Fausta; Fontana, Francesca; Lazzarini, Edoardo; Minisci, Francesco Heterocycles, 1993 ,  vol. 36,  # 12  p. 2687 - 2696

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Abstract

Abstract-The oxidative decarboxylation of monoamides of oxalic acid provides carbamoyl radicals, which are useful for the selective arbamoylation of protonated heteroaromatic bases; this reaction represents the first general and selective method for the N-alkyl kk kk N- arylcarbamoylation of heteroaromatic bases. Compared to alkoxycarbonylation, this reaction is much more effective and selective, owing to more favourable polar and enthalpic effects ...