Reference : Controlled radical polymerization of vinyl monomers catalyzed by ruthenium N-heterocycli...
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Physical, chemical, mathematical & earth Sciences : Chemistry
http://hdl.handle.net/2268/60855
Controlled radical polymerization of vinyl monomers catalyzed by ruthenium N-heterocyclic carbene complexes
English
Delfosse, Sébastien [ > > ]
Richel, Aurore mailto [Université de Liège - ULg > Chimie et bio-industries > Chimie biologique industrielle >]
Delaude, Lionel mailto [Université de Liège - ULg > Département de chimie (sciences) > Chimie macromoléculaire et catalyse organique >]
Demonceau, Albert mailto [Université de Liège - ULg > Département de chimie (sciences) > Chimie macromoléculaire et catalyse organique >]
Noels, Alfred mailto [Université de Liège - ULg > Services généraux (Faculté des sciences) > Relations académiques et scientifiques (Sciences) >]
2006
Progress in Controlled/Living Radical Polymerization / ACS Symposium Series 944
Matyjaszewski, K.
Amer. Chem. Soc.
ACS Symposium Series
40-55
[en] The relative catalytic activities of a series of ruthenium-based complexes of the general formula [RuCl2(p-cymene)(NHC)], [RuCl2(=CHPh)(PR3)(NHC)] and [RuCl2(=CHPh)(NHC)2] (NHC is a N-heterocyclic carbene ligand) were determined by investigating the atom transfer radical polymerization (ATRP) of methyl mathacrylate and styrene. The catalytic activity of a variety of related [RuCl(O^N)(=CHR)(NHC)] complexes and their cationic couterparts, [Ru(O^N)(=CHR)(NHC)]+BF4- (R = Ph or OEt, O^N is a Schiff base ligand), is also reported. The results clearly demonstrate that, with both methyl methacrylate and styrene, subtle modifications of the substituents of the NHC ligand lead to dramatic changes in the ability of the resulting ruthenium complexes to favor the occurence of a well-behaved ATRP.
http://hdl.handle.net/2268/60855

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