Revisit: The Synthesis of 3-amino pyrazoles promoted by p-toluenesulfonic acid as an efficient catalyst under solvent and solvent-free conditions

Authors

• Suryakiran Navath Natural Products Laboratory, Organic Chemistry Division-I, Indian Institute of Chemical Technology, Habsiguda, Hyderabad 500007, India.

Abstract

An efficient and facile synthesis of 3-amino pyrazoles has been described. The reaction of b-keto nitriles with hydrazines using p-toluenesulfonic acid as an efficient catalyst under solvent and solvent-free conditions afford corresponding 3-amino pyrazoles in excellent yields