Ni Nanoparticles: Mild and Efficient Catalyst for the Chemoselective Synthesis of 2-Arylbenzimidazoles, 2-Arylbenzothiazoles, and Azomethines

Abstract

A new and efficient method has been developed for the synthesis of biologically significant 2-arylbenzimidazoles, 2-arylbenzothiazoles, and azomethines using recyclable and inexpensive polyvinyl pyrrolidone (PVP)–stabilized Ni nanoparticles in ethylene glycol at room temperature in excellent yields.

GRAPHICAL ABSTRACT

Keywords:

• 2-Arylbenzimidazoles
• 2-arylbenzothiazoles
• azomethines
• chemoselective
• ethylene glycol
• PVP-stabilized Ni nanoparticles

ACKNOWLEDGMENT

Sneha and K. V. are thankful to the Council of Scientific and Industrial Research, New Delhi, India, for the awards of junior and senior research fellowships.