Activation of CO2 and (COCl)2 by (TMS)2N(η1-Cp*)SiSi(η1-Cp*)N(TMS)2.

Abstract

In this work, we report the reactivity of disilene [(TMS)2N(η1-Cp*)SiSi(η1-Cp*)N(TMS)2] (1) towards CO2 and oxalyl chloride (COCl)2. The reaction of 1 with CO2 produced a highly strained disilaoxirane (2) via CO extrusion, while oxalyl chloride yielded oxidative addition products (3a) and (3b). Both products were characterised using multinuclear NMR spectroscopy and single-crystal X-ray crystallography.

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