Abstract
Main products of the reaction of vinyltrichlorosilane VinSiCl3 with DMSO in the medium of tetra-(alkoxy)silane are linear siloxanes (RO)3Si[OSiVin(OR)]OSi(OR)3, RO[Vin(RO)SiO] n Si(OR)3 (R = Me, Et, n = 0–2) and the hitherto unknown cyclic siloxanes [Vin(RO)SiO] m [(RO)2SiO]4–m (m = 1–3) formed in the ratio of 70: 30%. A tentative scheme of their formation is suggested with participation of the products of the alkoxy groups exchange between vinyl(alkoxy)dichloro-, vinyldi(alkoxy)chloro-, trialkoxychloro-, and dialkoxydichlorosilanes.
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Original Russian Text © S.V. Basenko, A.A. Mailyan, 2017, published in Zhurnal Obshchei Khimii, 2017, Vol. 87, No. 6, pp. 915–920.
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Basenko, S.V., Mailyan, A.A. New approach to the synthesis of linear and cyclic vinyl(alkoxy)siloxanes. Russ J Gen Chem 87, 1137–1142 (2017). https://doi.org/10.1134/S1070363217060068
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DOI: https://doi.org/10.1134/S1070363217060068