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Asymmetric ruthenium tricarbonyl cyclopentadienone complexes ; synthesis and application to asymmetric hydrogenation of ketones

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Del Grosso, Alessandro, Clarkson, Guy J. and Wills, Martin (2019) Asymmetric ruthenium tricarbonyl cyclopentadienone complexes ; synthesis and application to asymmetric hydrogenation of ketones. Inorganica Chimica Acta, 496 . 119043. doi:10.1016/j.ica.2019.119043 ISSN 0020-1693.

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Official URL: https://doi.org/10.1016/j.ica.2019.119043

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Abstract

A series of enantiomerically-pure ruthenium tricarbonyl cyclopentadienone complexes were prepared via the cyclisation of C2-symmetric dialkynes with Ru3(CO)12. Four complexes were characterised by X-ray crystallography and a hydride derivative of one of these was characterised. The complexes were tested in the asymmetric hydrogenation and transfer hydrogenation of acetophenone. Whilst the catalysts were active, acetophenone was reduced in low ee, however a reduction product of up to 46% ee could be obtained when a mild base (iPr2NEt or pyridine) was added to the reaction.

Item Type: Journal Article
Subjects: Q Science > QD Chemistry
Divisions: Faculty of Science, Engineering and Medicine > Science > Chemistry
Library of Congress Subject Headings (LCSH): Ruthenium , Ruthenium -- Synthesis , Ketones, X-ray crystallography , Hydrogenation
Journal or Publication Title: Inorganica Chimica Acta
Publisher: Elsevier Science BV
ISSN: 0020-1693
Official Date: 2019
Dates:
DateEvent
2019Published
31 July 2019Available
30 July 2019Accepted
Volume: 496
Article Number: 119043
DOI: 10.1016/j.ica.2019.119043
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access (Creative Commons)
Date of first compliant deposit: 6 August 2019
Date of first compliant Open Access: 16 September 2019
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
EP/M006670/1[EPSRC] Engineering and Physical Sciences Research Councilhttp://dx.doi.org/10.13039/501100000266
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