New Publication

Earth-Abundant Mixed-Metal Catalysts for Hydrocarbon Oxygenation

Abstract Image

Synopsis

A Cu2 Pacman complex acts as a cooperative catalyst for the oxygenation of benzylic C−H bonds by organic peroxides when activated by ferric chloride (FeCl3). Analytical and solution spectroscopies suggest that an interaction between the dinuclear Cu unit and the chloride of FeCl3 occurs, and a full kinetic modeling of the reaction reveals a network of oxidation pathways, via the formation of metal-associated radical intermediates.

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Johnson Matthey CASE PhD studentship

A CASE PhD studentship (EU/UK) to work with Jason Love and Carole Morrison in collaboration with Johnson Matthey is available.

http://www.chem.ed.ac.uk/sites/default/files/studentships/Dr%20C%20Morrison%20PhD%20studentship_CASE.pdf

Please email Jason Love (jason.love@ed.ac.uk) or Carole Morrison (carole.morrison@ed.ac.uk) for further details.

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CRITICAT PhD Studentship available

One UK/EU studentship based at Edinburgh is available through the EPSRC Centre for Doctoral Training in Critical Resource Catalysis.  See the advert and https://www.criticat.co.uk/ for further information.

http://www.chem.ed.ac.uk/sites/default/files/studentships/CRITICAT_Advert_UoE_2018.pdf

 

 

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New publication

 

Uranyl to Uranium(IV) Conversion through Manipulation of Axial and Equatorial Ligands

J. Am. Chem. Soc., DOI: 10.1021/jacs.7b13474

uranyl borane Bell
ABSTRACT: The controlled manipulation of the axial oxo and equatorial halide ligands in the uranyl dipyrrin com-plex, UO2Cl(L) allows the uranyl reduction potential to be shifted by 1.53 V into the range accessible to naturally oc-curring reductants that are present during uranium remedi-ation and storage processes. Abstraction of the equatorial halide ligand to form the uranyl cation causes a 780 mV positive shift in the UV/UIV reduction potential. Borane-functionalization of the axial oxo groups causes the spon-taneous homolysis of the equatorial U-Cl bond and a fur-ther 750 mV shift of this potential. The combined effect of chloride loss and borane coordination to the oxo groups allows reduction of UVI to UIV by H2 or other very mild re-ductants such as Cp*2Fe. The reduction with H2 is accom-panied by a B-C bond cleavage process in the oxo-coordinated borane.
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Gold chemistry highlights

The University of Edinburgh have highlighted the Metal Recovery Group and its work in gold recovery from mobile phones in the University Annual Review.

https://www.ed.ac.uk/about/annual-review/highlights/highlight3

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CRITICAT studentships available

If you’re interested in becoming part of the EPSRC Centre for Doctoral Training in Critical Resource Catalysis (CRITICAT) then information is provided in the advert below.

http://www.jobs.ac.uk/job/BFN015/19-phd-studentships-in-critical-resource-catalysis/

 

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Congratulations Euan!

Euan Doidge received the ‘Highly Commended’ award for his 3-minute thesis presentation in the Universitas 21 (international) competition. See http://www.universitas21.com/article/research/details/324/2017-winners for further details.

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