DOI: 10.1002/chem.201003022. Pincer and Diamine Ru and Os Diphosphane Complexes as Efficient Catalysts for the Dehydrogenation of Alcohols to Ketones

Pincer and Diamine Ru and Os Diphosphane Complexes as Efficient Catalysts for the Dehydrogenation of Alcohols to Ketones

10.1002/chem.201003022

Crossref journal-article

Wiley

Chemistry – A European Journal (311)

Abstract

AbstractThe ruthenium and osmium complexes [MCl2(diphosphane)(L)] (M=Ru, Os; L=bidentate amino ligand) and [MCl(CNN)(dppb)] (CNN=pincer ligand; dppb=1,4‐bis‐ (diphenylphosphino)butane), containing the N–H moiety, have been found to catalyze the acceptorless dehydrogenation of alcohols in tBuOH and in the presence of KOtBu. The compounds trans‐[MCl2(dppf)(en)] (M=Ru 7, Os 13; dppf=1,1′‐bis(diphenylphosphino)ferrocene; en=ethylenediamine) display very high activity and different substrates, including cyclic and linear alcohols, are efficiently oxidized to ketones by using 0.8–0.04 mol % of catalyst. The effect of the base and the comparison of the catalytic activity of the Ru versus Os complexes are reported. The ruthenium complex 7 generally leads to a faster conversion into ketones with respect to the osmium complex 13, which displays better activity in the dehydrogenation of 5‐en‐3β‐hydroxy steroids. The synthesis of new Ru and Os complexes [MCl2(PP)(L)] (PP=dppb, dppf; L=(±)‐trans‐1,2‐diaminocyclohexane, 2‐(aminomethyl)pyridine, and 2‐aminoethanol) of trans and cis configuration is also reported.

Bibliography

Baratta, W., Bossi, G., Putignano, E., & Rigo, P. (2011). Pincer and Diamine Ru and Os Diphosphane Complexes as Efficient Catalysts for the Dehydrogenation of Alcohols to Ketones. Chemistry â A European Journal, 17(12), 3474â3481. Portico.

Authors 4

Walter Baratta (first)
Gianluca Bossi (additional)
Elisabetta Putignano (additional)
Pierluigi Rigo (additional)

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Dates

Type	When
Created	14 years, 6 months ago (Feb. 21, 2011, 11:39 a.m.)
Deposited	1 year, 10 months ago (Oct. 16, 2023, 2:30 p.m.)
Indexed	1 month, 2 weeks ago (July 11, 2025, 6:28 a.m.)
Issued	14 years, 6 months ago (Feb. 21, 2011)
Published	14 years, 6 months ago (Feb. 21, 2011)
Published Online	14 years, 6 months ago (Feb. 21, 2011)
Published Print	14 years, 5 months ago (March 14, 2011)

Funders 0

None

BibTeX

@article{Baratta_2011, title={Pincer and Diamine Ru and Os Diphosphane Complexes as Efficient Catalysts for the Dehydrogenation of Alcohols to Ketones}, volume={17}, ISSN={1521-3765}, url={http://dx.doi.org/10.1002/chem.201003022}, DOI={10.1002/chem.201003022}, number={12}, journal={Chemistry – A European Journal}, publisher={Wiley}, author={Baratta, Walter and Bossi, Gianluca and Putignano, Elisabetta and Rigo, Pierluigi}, year={2011}, month=feb, pages={3474–3481} }

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