News from the Coles Group

Seminars:

16th August, 2007: "Bicyclic Amidines and Guanidines as Onio-Ligands in Group 15 Chemistry " at the 8th International Conference of Heteroatom Chemistry, University of California, Riverside"

Martyn attended the crystallography summer school organized by the University of California, San Diego in July/August.

Friday 18th May, 2007: Some of the recent results from the group will be presented as part of a mini-symposium to honor Professor Hans Brintzinger as the recipient of the RSC Frankland Lectureship. Also speaking is Professor Peter Scott from the University of Warwick.

Selected Recent Publications:

"Deactivation pathways of ethylene polymerization catalysts derived from titanium and zirconium 1,3-bis(furyl)-1,1,3,3-tetramethyldisilazide complexes"

Dalton Trans. 2007, 2707

Lloyd's work on the synthesis of group 4 metal complexes containing the furyl-substituted amide ligand has been accepted for publication by Dalton Trans. Findings indicate that transfer of the amide-ligand to aluminium during MAO mediated ethylene polymerization catalysis is a likely cause of the rather lower than expected activity.

[Link]

"Poly{guanidinium} salts: application in the preparation of a coordinatively saturated aluminium cation"

Chem. Commun. 2007, 816

The work of Pedro (who visited the group for 3 months on a Spanish scholarship) and Sarah Oakley was published earlier this year in Chem. Commun. It was shown the the mixed guanidine/guanidinium salt was a suitable reagent for the production of cationic main group compounds via a protonolysis pathway. The chemistry of these compounds is being investigated in the group.

[Link]