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Expanded ring N-heterocyclic carbene complexes of zero valent platinum dvtms (divinyltetramethyldisiloxane): Highly efficient hydrosilylation catalysts

Dunsford, Jay J., Cavell, Kingsley John and Kariuki, Benson 2011. Expanded ring N-heterocyclic carbene complexes of zero valent platinum dvtms (divinyltetramethyldisiloxane): Highly efficient hydrosilylation catalysts. Journal of Organometallic Chemistry 696 (1) , pp. 188-194. 10.1016/j.jorganchem.2010.08.045

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Abstract

The synthesis and characterisation of a series of new 6- and 7-membered NHC (N-heterocyclic carbene) complexes 7–12 of zero valent platinum dvtms (divinyltetramethyldisiloxane), [Pt(NHC)(dvtms)] are reported. A number of the complexes were investigated as catalyst precursors in the hydrosilylation of a range of unsaturated substrates, including alkynes, alkenes and a ketone with triethylsilane and bis(trimethylsiloxy)methylsilane (MD’M), at low catalyst loading (0.005 mol %); in general, the activity, and the selectivity for 1-functionalised product was found to be high.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Cardiff Catalysis Institute (CCI)
Chemistry
Subjects: Q Science > QD Chemistry
Uncontrolled Keywords: N-heterocyclic carbenes; Platinum; Hydrosilylation
Publisher: Elsevier
ISSN: 0022-328X
Last Modified: 04 Jun 2017 02:52
URI: http://orca-mwe.cf.ac.uk/id/eprint/12854

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