ISSN : 0976-8505

Der Chemica Sinica

Abstract

Lignin sulphonic acid catalyzed rapid and clean synthesis of 2-aryl-1 (aryl methyl)benzimidazoles

Lignin Sulphonic Acid was found to be an efficient polymer supported catalyst for the synthesis of 1, 2-disubstituted benzimidazoles from the reaction of o-phenylene diamine with several aryl aldehydes. The excellent chemo selectivity of the reaction in presence of methanol at room temperature within 30-40 min was found.


Author(s): Ashok D. Sagar, Sadhana N. Chamle, Manjusha V. Yadav, Firdous G. Khan and R. Khapate

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