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V. S. Padalkar, V. D. Gupta, K. R. Phatangare, V. S. Patil, P. G. Umape and N. Sekar, “Indion-190 Resin: Efficient, Environmentally Friendly and Reusable Catalyst for Synthesis of Benzimidazoles, Benzoxazoles and Benzothiazoles,” Green Chemistry Letters and Reviews, Vol. 5, No. 2, 2012, pp. 139-145.
http://dx.doi.org/10.1080/17518253.2011.585666

has been cited by the following article:

• TITLE: Facile and Efficient Method for Synthesis of Benzimidazole Derivatives Catalyzed by Zinc Triflate

  AUTHORS: Ramineni Srinivasulu, Kannasani Ravi Kumar, Peruri Veera Venkata Satyanarayana

  KEYWORDS: Benzimidazole Derivatives; O-Phynelyenediamine; Substituted Aldehydes; Zinc Triflate

  JOURNAL NAME: Green and Sustainable Chemistry, Vol.4 No.1, February 25, 2014

  ABSTRACT: We report the synthesis of benzimidazole derivatives using zinc triflate as an efficient catalyst. One-pot synthesis of 2-substituted benzimidazole derivatives from o-phynelyenediamine and substituted aldehydes were developed under zinc triflate in ethanol solvent at reflux temperature.