5592
Organometallics 1997, 16, 5592-5594
Time-Resolved Infrared Spectral Studies of Photochemically Induced Oxidative Addition of Benzene to trans-RhCl(CO)(PMe3)2 Jon S. Bridgewater,† Brian Lee,† Stefan Bernhard,‡ Jon R. Schoonover,‡ and Peter C. Ford*,† Department of Chemistry, University of California, Santa Barbara, California 93106, and Bioscience/Biotechnology Group (CST-4), Chemical Science and Technology Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545 Received August 4, 1997X Summary: Time-resolved infrared and time-resolved optical spectroscopy were used to examine the pathway(s) by which 355 nm photolysis of the rhodium(I) species trans-RhCl(CO)(PMe3)2 (1) in benzene leads to the C-H oxidative-addition product (Ph)(H)RhCl(CO)(PMe3)2 (2). Two reaction pathways to the formation of 2 were found. One of these was the “prompt” formation (
