4.8 Article

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

Journal

GREEN CHEMISTRY
Volume 15, Issue 1, Pages 95-99

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c2gc36517k

Keywords

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Funding

  1. National Natural Science Foundation of China [21125314, 21021003, 21073202]
  2. Chinese Academy of Sciences [KJXC2-YW-H30]

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

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