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Titanatranes containing tetradentate ligands with controlled steric hindrance |
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| Authors: | Sang-deok Mun Junseong Lee So Han Kim Young-ho Ko Jeong Hak Lim Youngkyu Do |
| Affiliation: | a Department of Chemistry, Chungbuk National University, Cheongju, Chungbuk 361-763, Republic of Korea b Department of Chemistry, School of Molecular Science BK21, Center for Molecular Design and Synthesis, KAIST, Daejeon 305-701, Republic of Korea c Department of Chemistry and Center for Electro- and Photo-Responsive Molecules, Korea University, Seoul 136-701, Republic of Korea |
| Abstract: | New monomeric titanatranes  (Ar = 2,6-di-i-Pr-phenyl; x = 0, 5; x = 1, 6; x = 2, 7; x = 3, 8) were synthesized from the corresponding tetradentate ligands 1-4, respectively, using an equimolar mixture of Ti(O-i-Pr)4 and 2,6-di-i-Pr-phenol. These compounds show the catalytic activity for the ring opening polymerization of l-lactide. |
| Keywords: | Titanium Tetradentate ligand X-ray structure Ring opening polymerization Polylactide |
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