Carboranyl Substituted Siloxanes and Octasilsesquioxanes: Synthesis, Characterization, and Reactivity

Carboranyl-containing disiloxane, cyclic-siloxane and cage-like silsesquioxane have been prepared in high yields. Two routes are compared for their preparation, a classical hydrolytic process based on hydrolysis and condensation of the freshly prepared carboranylalkylchlorosilane and ethoxysilane pr...

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Veröffentlicht in:	Macromolecules 2008-11, Vol.41 (22), p.8458-8466
Hauptverfasser:	González-Campo, Arántzazu, Juárez-Pérez, Emilio José, Viñas, Clara, Boury, Bruno, Sillanpää, Reijo, Kivekäs, Raikko, Núñez, Rosario
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Sprache:	eng
Schlagworte:	Applied sciences Chemical Sciences Coordination chemistry Exact sciences and technology Inorganic and organomineral polymers Material chemistry Physicochemistry of polymers Polymers Preparation
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container_title	Macromolecules
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creator	González-Campo, Arántzazu Juárez-Pérez, Emilio José Viñas, Clara Boury, Bruno Sillanpää, Reijo Kivekäs, Raikko Núñez, Rosario
description	Carboranyl-containing disiloxane, cyclic-siloxane and cage-like silsesquioxane have been prepared in high yields. Two routes are compared for their preparation, a classical hydrolytic process based on hydrolysis and condensation of the freshly prepared carboranylalkylchlorosilane and ethoxysilane precursors and a nonhydrolytic route based on the specific reactivity of chorosilane toward DMSO. Based on the typical reactivity of the carboranyl group toward nucleophiles, dianionic disiloxanes and octaanionic silsesquioxanes were obtained without modification of the siloxane bond. Products are fully characterized by FTIR, NMR and MALDI-TOF methods.
doi_str_mv	10.1021/ma801483c
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subjects	Applied sciences Chemical Sciences Coordination chemistry Exact sciences and technology Inorganic and organomineral polymers Material chemistry Physicochemistry of polymers Polymers Preparation
title	Carboranyl Substituted Siloxanes and Octasilsesquioxanes: Synthesis, Characterization, and Reactivity
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