4.7 Article

New Guanidine-Pyridine Copper Complexes and Their Application in ATRP

Journal

POLYMERS
Volume 6, Issue 4, Pages 995-1007

Publisher

MDPI AG
DOI: 10.3390/polym6040995

Keywords

copper complexes; hybrid guanidine ligands; X-ray; polymerization; ATRP

Funding

  1. Deutsche Forschungsgemeinschaft [FOR1405]
  2. Fonds der Chemischen Industrie

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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 degrees 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.

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