Issue 4, 2015

Influence of structural and electronic properties of organomolybdenum(ii) complexes of the type [CpMo(CO)3R] and [CpMo(O2)(O)R] (R = Cl, CH3, CF3) on the catalytic olefin epoxidation

Abstract

Six compounds of the type [CpMo(CO)3R] (R = Cl (1), CH3 (2), CF3 (3)) and [CpMo(O2)(O)R] (R = Cl (4), CH3 (5), CF3 (6) (Cp = η5-cyclopentadienyl)) have been synthesised and characterised. The crystal structures of [CpMo(CO)3CF3] and [CpMo(O2)(O)CF3] are compared to their literature known chloro and methyl derivatives. The influence of the groups R on the performance as epoxidation catalysts is examined. DFT calculations, IR-spectroscopy and X-ray crystallography help to explain differences in reactivity and enable a rational design of active molybdenum tricarbonyl and oxo-peroxo complexes.

Graphical abstract: Influence of structural and electronic properties of organomolybdenum(ii) complexes of the type [CpMo(CO)3R] and [CpMo(O2)(O)R] (R = Cl, CH3, CF3) on the catalytic olefin epoxidation

Supplementary files

Article information

Article type
Paper
Submitted
04 Dec 2014
Accepted
15 Jan 2015
First published
16 Jan 2015
This article is Open Access
Creative Commons BY license

Catal. Sci. Technol., 2015,5, 2282-2289

Author version available

Influence of structural and electronic properties of organomolybdenum(II) complexes of the type [CpMo(CO)3R] and [CpMo(O2)(O)R] (R = Cl, CH3, CF3) on the catalytic olefin epoxidation

S. A. Hauser, R. M. Reich, J. Mink, A. Pöthig, M. Cokoja and F. E. Kühn, Catal. Sci. Technol., 2015, 5, 2282 DOI: 10.1039/C4CY01604A

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