Silylative Coupling versus Metathesis—Efficient Methods for the Synthesis of Difunctionalized Double‐Decker Silsesquioxane Derivatives
作者： Patrycja Żak , Beata Dudziec , Maciej Kubicki , Bogdan Marciniec
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摘要: A series of functionalized dialkenylsilsesquioxanes were obtained by efficient and highly stereoselective silylative coupling cross-metathesis divinylsubstituted double-decker silsesquioxanes (DDSQ-2SiVi) with substituted styrenes other olefins. Both reactions proceed stereoselectively lead to nearly quantitative formation E isomers. The optimized reaction conditions for styrene adopted successful polycondensation DDSQ-2SiVi 1,4-divinylbenzene yielding stereoregular cooligomer containing (silsesquioxyl-silylene)-vinylene-phenylene units.
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