Study of the reaction between conjugated azoalkenes and α-unsubstituted- or α-substituted-β-dicarboxylate derivatives: An improved preparation of unknown polyfunctionalized 1-amino-1H-pyrrol-2(3H)-ones

Article abstract of DOI:10.1139/v94-293

In the presence of sodium methoxide in catalytic amounts, conjugated azoalkenes easily react with α-unsubstituted-or α-substituted-β-dicarboxylate derivatives to give at first hydrazonic derivatives, by 1,4-conjugate addition, and, by increasing sodium me