A new and convenient method was found for the one-pot synthesis of symmetrical and unsymmetrical linear imides by -reaction of aliphatic and aromatic nitriles with acyclic carboxylic anhydrides in the presence of silica sulfuric acid as an active and -recyclable reagent.
[EN] HETEROCYCLIC COMPOUND INTERMEDIATE, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF<br/>[FR] INTERMÉDIAIRE DE COMPOSÉ HÉTÉROCYCLIQUE, SON PROCÉDÉ DE PRÉPARATION ET SON UTILISATION<br/>[ZH] 杂环类化合物、中间体、其制备方法及应用