Friday, 15 July 2005 - 3:35 PM
109

This presentation is part of: Inorganic Chemistry

Competitive oxidative addition of C-H and C-X bonds to monovalent rhodium and iridium

Oleg V. Ozerov, Lei Fan, Wei Weng, Sylvain Gatard, Chengyun Guo, Claudia Moura, and Bruce M. Foxman. Brandeis University, Waltham, MA

In the recent years our group's research has been focused on the diarylamido-based PNP pincer ligands in application to a variety of transition metal centers. Within the context of Rh(I) and Ir(I) our attention has been directed towards intramolecular C-N oxidative addition and intermolecular C-halogen oxidative addition. Both process face competition from the C-H oxidative addition pathways. The propensity to give products of C-H activation is greater for Ir than for Rh. We will discuss our understanding of the kinetics and thermodynamics of the intra- and intermolecular C-H/C-X oxidative addition. Our results are supported by multinuclear NMR solution studies and solid-state X-ray structural determinations. The unexpected benefits of the solid-state reactions will be addressed as well.

Web Page: people.brandeis.edu/~ozerov

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