Abstract
A carbene-stabilized cyclic amino(carboranyl) silylene has been prepared from the reaction of cyclic amino(carboranyl) chlorosilane with N-heterocyclic carbene via HCl elimination. Its structure has been characterized by single-crystal X-ray analysis and DFT calculations. It is a very strong σ donor and relatively poor π acceptor. It can form a Lewis acid-base adduct with borane and undergo cycloaddition reactions with unsaturated molecules such as diphenylacetylene and benzophenone.
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