Table 5 Synthesis of benzimidazole derivatives from benzyl alcohols and 1,2-phenylenediaminesa.

From: Magnetic nanohybrids of folic acid as green biocatalysts for the synthesis of heterocyclic compounds

  1. aReaction condition: Benzyl alcohol (0.12 mmol), 1,2-phenylene diamine (0.15 mmol), catalyst (3 mg), TEMPO (3 mg) at 80 °C under air. bThe products were characterized using 1H NMR spectroscopy and their melting points were compared with previously reported values55,56,57,58,59. cOxidation time of benzyl alcohol. dCoupling time of aldehyde with diamine. e Product yield according to Isolated yield.
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