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A polyoxometallate-tethered Ru complex as a catalyst in solventless phenyl acetylene oligomerisation

Dingwall, Lee D., Corcoran, Charlotte M., Lee, Adam Fraser, Olivi, Luca, Lynam, Jason M. and Wilson, Karen 2008. A polyoxometallate-tethered Ru complex as a catalyst in solventless phenyl acetylene oligomerisation. Catalysis Communications 10 (1) , pp. 53-56. 10.1016/j.catcom.2008.07.036

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Abstract

A novel compound comprising a Ru-tethered polyoxometallate Keggin anion of formula [HNEt(3)](+)-[(Ru{eta(5)-C(5)H(5)}{PPh(3)}(2))(2)(PW(12)O(40))](-) has been synthesised that shows high activity and selectivity in alkyne oligomerisation. In situ IR binding studies using CO confirmed the accessibility of the Ru centre for catalysis. Phenyl acetylene was successfully dimerised under a heterogeneous catalytic regime. Selectivity towards the (E)-enyne, not found in the homogeneous Ru(eta(5)-C(5)H(5))(PPh(3))(2)Cl analogue, was achieved while retaining high a turnover frequency of 225 h(-1).

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Cardiff Catalysis Institute (CCI)
Subjects: Q Science > QD Chemistry
Uncontrolled Keywords: Ruthenium; Polyoxometallate; Alkyne oligomerisation
Publisher: Elsevier Science
ISSN: 1566-7367
Last Modified: 19 Mar 2016 22:43
URI: http://orca-mwe.cf.ac.uk/id/eprint/25058

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