Nano-structured pyrophosphate Na2CaP2O7 as catalyst for selective synthesis of 1,2- disubstituted benzimidazoles in pure water

Karim Dänoun, Ilham Jioui, Mohamed Bouhrara, Mohamed Zahouily, Abderrahim Solhy, Mustapha Jouiad, Christophe Len, Aziz Fihri

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

We report on synthesis of 1,2-disubstituted benzimidazoles in pure water using nanostructured pyrophosphate Na2CaP2O7. Our findings showed that this heterogeneous catalyst exhibited high catalytic activity and high selectivity in the synthesis of 1,2-disubstituted benzimidazoles from direct cyclocondensation of aromatic aldehydes with substituted o-diaminoarene in pure water. The salient benefits of this method rely on various factors namely: a simple procedure, mildness of the reaction conditions, short reaction times, operational simplicity, high chemoselectivity, low cost and recyclability of the catalyst.

Original languageEnglish
Pages (from-to)2132-2140
Number of pages9
JournalCurrent Organic Chemistry
Volume19
Issue number21
DOIs
Publication statusPublished - Sep 1 2015

Keywords

  • Aldehydes
  • Benzimidazoles
  • Diaminoarene
  • Green chemistry
  • Heterogeneous catalysis
  • Recyclable catalyst

ASJC Scopus subject areas

  • Organic Chemistry

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