Condensation products of 1-aryl-4-carboxy- 2- pyrrolidinones witho-diaminoarenes,o-aminophenol, and their structural studies
作者:Marius Mickevicius、Zigmuntas Jonas Beresnevicius、Vytautas Mickevicius、Gema Mikulskiene
DOI:10.1002/hc.20171
日期:——
A series of 2-substituted benzimidazoles, benzoxazoles were synthesized by the condensation reactions of 1-aryl-4-carboxy-2-pyrrolidinones and aromatic ortho-diamines or ortho-aminophenol. Alkylation of benzimidazoles with iodoalkanes led to 1-aryl-4-(1-alkyl-1H-benzimidazol-2-yl)-2-pyrrolidin- ones or 1,3-dialkylbenzimidazolium iodides. N-Subs- tituted γ-amino acids were prepared by the hydrolysis