Phosphine Ligands in the Palladium??Catalysed Methoxycarbonylation of Ethene: Insights into the Catalytic Cycle through an HP NMR Spectroscopic Study
V de la Fuente, M Waugh, GR Eastham…
Index: De La Fuente, Veronica; Waugh, Mark; Eastham, Graham R.; Iggo, Jonathan A.; Castillon, Sergio; Claver, Carmen Chemistry - A European Journal, 2010 , vol. 16, # 23 p. 6919 - 6932
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Citation Number: 43
Abstract
Abstract Novel cis-1, 2-bis (di-tert-butyl-phosphinomethyl) carbocyclic ligands 6–9 have been prepared and the corresponding palladium complexes [Pd (O 3 SCH 3)(LL)][O 3 SCH 3](LL= diphosphine) 32–35 synthesised and characterised by NMR spectroscopy and X-ray diffraction. These diphosphine ligands give very active catalysts for the palladium-catalysed methoxycarbonylation of ethene. The activity varies with the size of the carbocyclic ...
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