A simple and efficient method for synthesis of benzimidazoles using FeBr3 or Fe(NO3)(3)center dot 9H(2)O as catalyst

2-Substituted benzimidazoles have been synthesized in good yields in a single pot from o-phenylenediamine and aldehydes using FeBr3 or Fe(NO3)(3)center dot 9H(2)O as catalyst. The salient features of this method include a simple procedure, mild conditions, shorter reaction time, less toxic catalyst...

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Bibliographic Details
Published inHeterocycles Vol. 71; no. 8; pp. 1821 - 1825
Main Authors Ma, Huiqiang, Han, Xiangming, Wang, Yulu, Wang, Jinye
Format Journal Article
LanguageEnglish
Published OXFORD Elsevier 01.08.2007
Subjects
Chemistry
Chemistry, Organic
Physical Sciences
Science & Technology
synthesis
OXIDATION
PHASE SYNTHESIS
ACID
ONE-POT SYNTHESIS
aldehyde
ALDEHYDES
O-PHENYLENEDIAMINE
FeBr3
PROMOTED SYNTHESIS
OXIDANT
benzimidazole
CONDENSATION
BENZOXAZOLES
Fe(NO3)9HO
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Summary:2-Substituted benzimidazoles have been synthesized in good yields in a single pot from o-phenylenediamine and aldehydes using FeBr3 or Fe(NO3)(3)center dot 9H(2)O as catalyst. The salient features of this method include a simple procedure, mild conditions, shorter reaction time, less toxic catalyst and easy purification.
ISSN:0385-5414
1881-0942