Catalytic Approach to Germanium-Functionalized Silsesquioxanes and Germasilsesquioxanes

摘要: Silsesquioxanes have attracted considerable attention in recent years due to their unique hybrid structure and versatile properties. Herein, we report the first catalytic approach synthesis of completely partially condensed germanium-functionalized silsesquioxanes as well germasilsesquioxanes, mediated by scandium(III) triflate. We provide a solution for introducing germyl functionalities into various types under mild conditions with excellent yields. This methodology turns out be highly efficient selective route obtaining novel germanium-containing silsesquioxanes. These new multielement POSS derivatives may great potential further applications valuable multifunctional building blocks material chemistry.