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Synthesis of alkoxysilanes as starting substances for preparation of new materials by the sol-gel procedure. Silanes with urea functional group

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Abstract

New bis(triethoxysilanes) containing a urea functional group >NC(O)N< and having the composition (C2H5O)3Si(CH2)3NHC(O)NRR′ [R = R′ = n-C3H7; R = H, R′ = (CH2)3Si(CH3)(OC2H5)2] and [(C2H5O)3Si(CH2)3NHC(O)NH]2(CnAm)x (A = H, x = 2, 4, 12, n = 1, m = 2; A = H, CH3, x = 1, n = 6, m = 4; A = H, x = 1, n = 10, m = 6) were prepared in high yields and with satisfactory purity by reactions of primary amines (or diamines) with 3-(triethoxysilyl)propyl isocyanate.

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Translated from Zhurnal Obshchei Khimii, Vol. 74, No. 11, 2004, pp. 1782–1788.

Original Russian Text Copyright © 2004 by Mel’nik, Lyashenko, Zub, Chuiko, Cauzzi, Predieri.

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Mel’nik, I.V., Lyashenko, O.V., Zub, Y.L. et al. Synthesis of alkoxysilanes as starting substances for preparation of new materials by the sol-gel procedure. Silanes with urea functional group. Russ J Gen Chem 74, 1658–1664 (2004). https://doi.org/10.1007/s11176-005-0080-x

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  • DOI: https://doi.org/10.1007/s11176-005-0080-x

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