Issue 1, 2013
From the journal:

Green Chemistry

Cyclization of o-phenylenediamines by CO2 in the presence of H2 for the synthesis of benzimidazoles†

Bo Yu,a   Hongye Zhang,a   Yanfei Zhao,a   Sha Chen,a   Jilei Xu,a   Changliang Huanga  and  Zhimin Liu*a  

* Corresponding authors

a Beijing National Laboratory for Molecular Sciences, Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
E-mail: liuzm@iccas.ac.cn
Fax: +8610-62562821
Tel: +8610-62562852

Abstract

The cyclization of o-phenylenediamines by CO2 in the presence of H2 was presented to directly synthesize benzimidazoles, and a series of benzimidazoles were obtained in excellent yields using RuCl2(dppe)2 as the catalyst.

Graphical abstract: Cyclization of o-phenylenediamines by CO2 in the presence of H2 for the synthesis of benzimidazoles

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Supplementary files

Article information

DOI
https://doi.org/10.1039/C2GC36517K
Article type
Communication
Submitted
25 Sep 2012
Accepted
15 Nov 2012
First published
15 Nov 2012

Green Chem., 2013,15, 95-99

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Cyclization of o-phenylenediamines by CO2 in the presence of H2 for the synthesis of benzimidazoles

B. Yu, H. Zhang, Y. Zhao, S. Chen, J. Xu, C. Huang and Z. Liu, Green Chem., 2013, 15, 95 DOI: 10.1039/C2GC36517K

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