A Mild and Efficient Method for Synthesis of Benzimidazoles using Thallium Nitrate or Lanthanum Nitrate Catalysts

Krishna Karanth¹ , P. Vishwanatha²

Section:Research Paper, Product Type: Journal-Paper
Vol.8 , Issue.4 , pp.1-4, Aug-2021

Online published on Aug 31, 2021

Copyright © Krishna Karanth, P. Vishwanatha . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
 

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Abstract :
A simple and efficient route for synthesizing benzimidazoles from o-Phenylenediamine and aromatic aldehydes using rare earth metal catalyst like Thallium nitrate or Lanthanum nitrate has been proposed. The easy work-up, higher yields and shorter reaction times at room temperature are the advantages over other methods.

Key-Words / Index Term :
Aromatic aldehyde, benzimidazole, Lanthanum nitrate, Thallium nitrate

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