期刊
INORGANIC CHEMISTRY COMMUNICATIONS
卷 14, 期 5, 页码 715-718出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.inoche.2011.02.014
关键词
N,O-ligands; Group 4 complexes; Polymerization; Poly(lactic acid)
资金
- Israel Science Foundation
- United States-Israel Binational Science Foundation
The substituted aniline-phenol ligand binds in the reduced-monoanionic form to the group 4 metals giving fluxional octahedral [(NO)(2)M(OR)(2)]-type complexes. The X-ray structures of the Zr- and Hf-complexes revealed cis-N/trans-O binding and an overall C(1) symmetry. All three complexes exhibited high activities in polymerization of L-lactide and rac-lactide. The Zr- and Hf-complexes led to heterotactically enriched PLA. (C) 2011 Elsevier B.V. All rights reserved.
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