Abstract
An efficient approach for the synthesis of a novel library of 1,3,4-oxadiazole-2-carboxamide analogs has been developed through one-pot three-component catalyst-free aza-Wittig reaction of cyclohexyl isocyanate, N-isocyaniminotriphenylphosphorane, and substituted benzoic acids in methylene chloride. High yields of the target compounds were obtained at room temperature. The structure of the synthesized compounds was confirmed by NMR, IR, and mass spectra and elemental analyses.
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Rastkar, M.B., Mohtat, B., Marandi, G.B. et al. A Convenient One-Pot Synthesis of 5-Aryl-N-cyclohexyl-1,3,4-oxadiazole-2-carboxamides via Aza-Wittig/Isocyanide-based Three-Component Reaction. Russ J Org Chem 58, 1035–1041 (2022). https://doi.org/10.1134/S1070428022070144
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DOI: https://doi.org/10.1134/S1070428022070144