Annemarie J. C. Walters, Dipl.-Chem. Oliver Troeppner, Prof. Dr. Ivana Ivanović-Burmazović, Dr. Cristina Tejel, Dr. M. Pilar del Río, Prof. Dr. Joost N. H. Reek and Dr. Bas de Bruin Stereospecific Carbene Polymerization with Oxygenated Rh(diene) Species Angewandte Chemie International Edition 51
Breath-taking activation: Stereoregular carbene polymerization proceeds via cationic [(allyl)RhIII–polymeryl]+ species. These are most efficiently generated by oxygenation of the [(diene)RhI] precatalysts, which involves an unusual rearrangement of 2-rhodaoxetane intermediates. This discovery gives detailed insight in the reaction mechanism.
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