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Metal–organic framework mediated expeditious synthesis of benzimidazole and benzothiazole derivatives through an oxidative cyclization pathway

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Abstract

Herein, we report the facile synthesis of various benzimidazoles and benzothiazoles by using the NH2-MIL-125(Ti) MOF as an efficient oxidant-free heterogeneous catalyst with good yield. Adsorption of the substrate on the NH2-MIL-125(Ti) MOF surface through electron deficient Ti4+ sites initiates the reaction. The broad substrate scope and high reusability of this catalyst are attractive for synthesis of a wide range of medicinally active benzimidazole and benzothiazole derivatives.

Graphical abstract: Metal–organic framework mediated expeditious synthesis of benzimidazole and benzothiazole derivatives through an oxidative cyclization pathway

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Article information


Submitted
27 Aug 2019
Accepted
10 Dec 2019
First published
11 Dec 2019

New J. Chem., 2020, Advance Article
Article type
Paper

Metal–organic framework mediated expeditious synthesis of benzimidazole and benzothiazole derivatives through an oxidative cyclization pathway

V. Sankar, P. Karthik, B. Neppolian and B. Sivakumar, New J. Chem., 2020, Advance Article , DOI: 10.1039/C9NJ04431K

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