Problems of synthesis of tetrahedral organosilsesquioxanes. Hydrolytic condensation of hexafunctional branched organotetrasiloxanes

…, NA Tebeneva, AM Mouzafarov, YE Ovchinnikov…

文献索引：Rebrov, E. A.; Tebeneva, N. A.; Mouzafarov, A. M.; Ovchinnikov, Yu. E.; Struchkov, Yu. T.; Strelkova, T. V. Russian Chemical Bulletin, 1995 , vol. 44, # 7 p. 1286 - 1292 Izvestiya Akademi Nauk, Seriya Khimicheskaya, 1995 , # 7 p. 1332 - 1339

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被引用次数: 10

摘要

Abstract The hydrolytic condensation of methyltris (methyldichlorosiloxy) silane (1b), methyl (1a), and vinyltris (methyldiethoxysiloxy) silanes (1c) in dilute homogeneous solutions was studied. It was found by X-ray diffraction and 1 H NMR methods that, irrespective of reaction conditions, only octaorganooctasilsesquioxanes (T 8), namely, octamethyloctasilsesquioxane and 1, 4-divinylhexamethyloctasilsesquioxane, were ...