ja061398n_si_001.cif (14.63 kB)

Redox Control within Single-Site Polymerization Catalysts

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posted on 14.06.2006, 00:00 by Charlotte K. A. Gregson, Vernon C. Gibson, Nicholas J. Long, Edward L. Marshall, Phillip J. Oxford, Andrew J. P. White
The activity of a single-site titanium-based lactide polymerization initiator supported by a ferrocenyl-derivatized salen ligand is shown to be modulated by a chemical redox switch; a substantially higher rate of propagation is found for the neutral catalyst compared to its oxidized dicationic ferrocenium counterpart.