TY - JOUR
T1 - Zinc complexes with guanidine-pyridine hybrid ligands
T2 - anion effect and catalytic activity
AU - Döring, Artjom
AU - Flörke, Ulrich
AU - Hoffmann, Alexander
AU - Jones, Matthew D.
AU - Kuckling, Dirk
AU - Michaelis de Vasconcellos, Janna
AU - Herres-Pawlis, Sonja
PY - 2015/10
Y1 - 2015/10
N2 - The guanidine-pyridine ligands DMEGqu, TMGqu, and DMEGpy were reacted with zinc benzoate, zinc acetylacetonate, zinc bromide, zinc tetrafluoroborate, and zinc d,l-lactate in order obtain the corresponding complexes. The compounds were structurally characterized by X-ray crystallography and further characterized by NMR, IR, and MS measurements. All complexes were tested as initiators in the melt polymerization of d,l-lactide and the influence of the anion effect was studied. The bis(chelate) tetrafluoroborate complex 7 exhibited the highest activity.
AB - The guanidine-pyridine ligands DMEGqu, TMGqu, and DMEGpy were reacted with zinc benzoate, zinc acetylacetonate, zinc bromide, zinc tetrafluoroborate, and zinc d,l-lactate in order obtain the corresponding complexes. The compounds were structurally characterized by X-ray crystallography and further characterized by NMR, IR, and MS measurements. All complexes were tested as initiators in the melt polymerization of d,l-lactide and the influence of the anion effect was studied. The bis(chelate) tetrafluoroborate complex 7 exhibited the highest activity.
KW - Biodegradable polymers
KW - Guanidine
KW - Polylactide (PLA)
KW - Ring-opening polymerization
KW - Zinc
UR - http://www.scopus.com/inward/record.url?scp=84940702537&partnerID=8YFLogxK
UR - http://dx.doi.org/10.1002/zaac.201500538
U2 - 10.1002/zaac.201500538
DO - 10.1002/zaac.201500538
M3 - Article
SN - 0044-2313
VL - 641
SP - 2147
EP - 2156
JO - Zeitschrift für Anorganische und Allgemeine Chemie
JF - Zeitschrift für Anorganische und Allgemeine Chemie
IS - 12-13
ER -