Application and modification of cyclometalated ruthenium(II) complex [Ru(o-C 6H 4-2-C 5H 4N)-(MeCN) 4]PF 6 for atom transfer radical polymerization
Por:
Camacho F.D., Morales S.L., Le Lagadec R., Alexandrova L.
Publicada:
1 ene 2006
Resumen:
Polymerizations of n-butyl acrylate (BA), methyl methacrylate (MMA) and styrene (St) were promoted by the Ru(II) cyclometalated complex with labile MeCN ligand in the presence of Al(OiPr) 3. The polymerization proceeds via radical mechanism and requires the loss of MeCN ligand. The poor control over the polymerizations can be explained in terms of the traditional ATRP scheme. However, the controllability may be significantly improved by addition of reducing SnCl 2. Mechanism of the process is proposed. Copyright © 2006 WILEY-VCH Verlag GmbH & Co. KGaA.
Filiaciones:
Camacho F.D.:
Instituto de Investigaciones en Materiales, Universidad National Autonoma de Mexico, Ciudad Universitaria, Circuito Exterior s/n, Coyoacan, Mexico D.F., 04510, Mexico
Morales S.L.:
Instituto de Investigaciones en Materiales, Universidad National Autonoma de Mexico, Ciudad Universitaria, Circuito Exterior s/n, Coyoacan, Mexico D.F., 04510, Mexico
Le Lagadec R.:
Instituto de Quimica, Universidad National Autonoma de Mexico, Ciudad Universitaria, Circuito Exterior s/n, Coyoacan, Mexico D.F., 04510, Mexico
Alexandrova L.:
Instituto de Investigaciones en Materiales, Universidad National Autonoma de Mexico, Ciudad Universitaria, Circuito Exterior s/n, Coyoacan, Mexico D.F., 04510, Mexico
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