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Activation of CO2 and SO2 by Boryl(phosphino)carbenes

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  • This work was supported by the CNRS (LEA 368), Spanish Ministerio de Ciencia e Innovación (CTQ2010-15408), and Generalitat de Catalunya (2009SGR-733). Time allocated in the Centre de Supercomputació de Catalunya (CESCA) is gratefully acknowledged.

Abstract

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Dismembering molecules: The stable boryl(phosphino)carbene 1 can cleave small organic dioxide molecules. With CO2 and SO2, 1 gives, respectively, the phosphacumulene ylide [Mes(iPr2N)B-O-P(CCO)(NiPr2)Mes] (see scheme and structure) and boryl(phosphoryl)sulfine [Mes(iPr2N)B-C(SO)-P(O)(NiPr2)Mes] which have been structurally and spectroscopically characterized.

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