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Ring-opening metathesis polymerization of Norbornene-derived cyclic olefins using Iminomethyl-hydroxyl-ligated tungsten Complexes: Fast reaction and tunable cis/trans selectivity
- Authors
- Nayab, Saira; Lee, Hyosun; Lee, Sang-Ho
- Issue Date
- Jan-2025
- Publisher
- ELSEVIER
- Keywords
- Tungsten complexes; X-ray structures; Cyclic olefin; Polynorbornene
- Citation
- Inorganic Chemistry Communications, v.171, pp 1 - 4
- Pages
- 4
- Indexed
- SCIE
SCOPUS
- Journal Title
- Inorganic Chemistry Communications
- Volume
- 171
- Start Page
- 1
- End Page
- 4
- ISSN
- 1387-7003
1879-0259
- Abstract
- Highly active tungsten complexes supported by (Z)-1-(((2-hydroxyphenyl)imino)methyl)naphthalen-2-ol (LA) and (Z)-4-chloro-2-(((2-hydroxyphenyl)imino)methyl)phenol (LB) were synthesized and characterized. The ring- opening metathesis polymerization activities were assessed using i Bu 3 Al as the co-initiator at room temperature. A 100% conversion of norbornene to high-molecular-weight polynorbornene (PNB) was obtained within 10 min with tunable cis/trans selectivity of resultant polymer depending on the ligand architecture.
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Related Researcher
- Lee, Sang Ho
- College of Engineering (Department of Chemical and Biochemical Engineering)