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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
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 | ||||||||
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| 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: |
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| 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: |
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