Keywords
carboranes
carbosilanes
CH-functionalization
core–shell
dendrimers
metallation
organosilicon compounds.
Abstract
The metallation of CH-groups in carboranyl polyhedra with n-butyllithium followed by end-capping with chloro(di-methyl)vinylsilane was explored using a model B-substituted organosilicon derivative obtained previously, the optimal conditions being Et2O, -10 →20 °C, total processing time 125 min. This procedure was applied to prepare a zero-generation polyfunctional B-substituted carborane-carbo-silane dendrimer G0-4 cages.
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