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5,5′-Diaryl-2,2′-biimidazole-1,1′-diols: Reactions with Methyl Iodide and Triphenylphosphine

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Abstract

The alkylation of 5,5′-diaryl-2,2′-biimidazole-1,1′-diols with an equimolar amount of methyl iodide gave the corresponding N-methyl derivatives, and the reaction with 3 equiv of methyl iodide afforded alkylation products at the nitrogen atom and both hydroxy groups. 5,5′-Diaryl-1H,1′H-2,2′-biimidazoles were obtained by treatment of the title compounds with triphenylphosphine.

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ACKNOWLEDGMENTS

The authors thank the Joint Chemical Service Center, Siberian Branch, Russian Academy of Sciences, for performing spectral and analytical measurements.

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Authors and Affiliations

  1. Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Branch, Russian Academy of Sciences, 630090, Novosibirsk, Russia

    I. A. Osʼkina & A. Ya. Tikhonov

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  1. I. A. Osʼkina
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  2. A. Ya. Tikhonov
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Correspondence to I. A. Osʼkina.

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Osʼkina, I.A., Tikhonov, A.Y. 5,5′-Diaryl-2,2′-biimidazole-1,1′-diols: Reactions with Methyl Iodide and Triphenylphosphine. Russ J Org Chem 56, 1716–1719 (2020). https://doi.org/10.1134/S1070428020100073

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  • DOI: https://doi.org/10.1134/S1070428020100073

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