Cyanoacetanilide derivatives are important and versatile reagents, which have especially been used for the synthesis of polyfunctionalized five- and six-membered rings and condensed heterocycles. Cyanoacetanilides are poly-functional compounds that Это и многое другое вы найдете в книге Utilities of cyanoacetanilide in heterocyclic synthesis (Mohamed Abdel Rashid Salem,Mohamed Hamdy Helal and Yousry Ammar)