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Polymers 2014, 6(4), 995-1007; doi:10.3390/polym6040995

New Guanidine-Pyridine Copper Complexes and Their Application in ATRP

Department Chemie, Ludwig-Maximilians-Universität München, Butenandtstr. 5-13, 81377 München, Germany
Anorganische Chemie II, Technische Universität Dortmund, Otto-Hahn-Str. 6, 44227 Dortmund, Germany
Author to whom correspondence should be addressed.
Received: 27 February 2014 / Revised: 14 March 2014 / Accepted: 24 March 2014 / Published: 1 April 2014
(This article belongs to the Special Issue Controlled/Living Radical Polymerization)
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The guanidine hybrid ligands, (tetramethylguanidine)methylenepyridine (TMGpy) and (dimethylethyleneguanidine)methylenepyridine (DMEGpy), were proven to be able to stabilize copper complexes active in the solvent-free polymerization of styrene at 110 °C using 1-phenylethylbromide as the initiator. The polymerization proceeded after first-order kinetics, and polystyrenes with polydispersities around 1.2 could be obtained. Using the ligand, DMEGpy, three new copper guanidine-pyridine complexes could be synthesized and structurally characterized. Their structural characteristics are discussed.
Keywords: copper complexes; hybrid guanidine ligands; X-ray; polymerization; ATRP copper complexes; hybrid guanidine ligands; X-ray; polymerization; ATRP
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Hoffmann, A.; Bienemann, O.; Vieira, I.S.; Herres-Pawlis, S. New Guanidine-Pyridine Copper Complexes and Their Application in ATRP. Polymers 2014, 6, 995-1007.

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