New method for the synthesis of heterocycles from o-phenylenediamine

Abstract

An highly efficient, economical, solvent-free methodology has been adopted for the synthesis of various heterocycles from o-phenylenediamine. Coupling of this new, environmentally benign, versatile, route with microwave (MW) apart from eliminting organic solvents from the reaction step offer benefits of shorter reaction times, higher yields and uniform heating effect.