Abstract
The alkylation of 4,5-dihydro-1H-imidazole-2-thiol with 1-iodomethyl(dimethyl)phenylsilane, 1-(iodomethyl)-1,1,3,3,3-pentamethyldisiloxane, and 1,3-bis(iodomethyl)-1,1,3,3-tetramethyldisiloxane involved iodine-catalyzed cleavage of the Si–Csp 2 and Si–O bonds with liberated (in situ) hydrogen iodide to afford 2-({[(4,5-dihydro-1H-imidazolium-2-ylsulfanyl)methyl]-1,1,3,3-tetramethyldisiloxanylmethyl}sulfanyl)-4,5-dihydro-1H-imidazolium di- and tetraiodides. Replacement of iodide ion in the products by triiodide gives new organosilicon ionic liquids with several charged fragments.
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Original Russian Text © N.O. Yarosh, L.V. Zhilitskaya, L.G. Shagun, I.A. Dorofeev, L.I. Larina, 2017, published in Zhurnal Organicheskoi Khimii, 2017, Vol. 53, No. 7, pp. 1053–1057.
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Yarosh, N.O., Zhilitskaya, L.V., Shagun, L.G. et al. Alkylation of 4,5-dihydro-1H-imidazole-2-thiol with iodomethylsilanes and -siloxanes. Russ J Org Chem 53, 1066–1070 (2017). https://doi.org/10.1134/S107042801707017X
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DOI: https://doi.org/10.1134/S107042801707017X