ePrints

Synthesis and reactivity of palladium hydrido-solvento complexes, including a key intermediate in the catalytic methoxycarbonylation of ethene to methyl propanoate

Lookup NU author(s): Professor William Clegg, Dr Mark Elsegood

Downloads

Full text for this publication is not currently held within this repository. Alternative links are provided below where available.

Abstract

The sequence of reaction steps and the role of each reactant, required for the transformation of the Pd(0) precursor [Pd(d(t)bpx)(dba)] [d(t)bpx = 1,2-(CH2PBu2t)(2)C6H4; dba = trans, trans-(PhCH=CH)(2)CO], 1, into [Pd(d(t)bpx)H(MeOH)](+), 2a, the active Pd(II)- hydride catalyst for the methoxycarbonylation of ethene to methylpropanoate, have been delineated using a combination of spectroscopic and crystallographic methods. The preparation and characterisation of a variety of related complexes are described including some unusual examples involving bidentate sulfonate complexes and mono-cationic and neutral palladium hydride complexes. X-Ray crystal structures have been determined for [Pd(d(t)bpx)(eta(2)-O-2)], 3, [Pd(d(t)bpx)(eta(2)-BQ)] (BQ = benzoquinone), 4, [Pd(dcpx)(dbaH)](+) [dcpx = 1,2-(CH2PCy2)(2)C6H4], 7, and [Pd(d(t)bpx)(eta(2)-MeSO3)](+), 9b.

Publication metadata

Author(s): Clegg W, Eastham GR, Elsegood MRJ, Heaton BT, Iggo JA, Tooze RP, Whyman R, Zacchini S

Publication type: Article

Publication status: Published

Journal: Journal of the Chemical Society: Dalton Transactions

Year: 2002

Issue: 17

Pages: 3300-3308

ISSN (print): 1472-7773

ISSN (electronic): 1364-5447

Publisher: Royal Society of Chemistry

URL: http://dx.doi.org/10.1039/b202372p

DOI: 10.1039/b202372p

Altmetrics

Share