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標題: Aluminum complexes supported by tridentate aminophenoxide ligand as efficient catalysts for ring-opening polymerization of epsilon-caprolactone
作者: Chen, C.T.
Huang, C.A.
Huang, B.H.
關鍵字: titanium complexes;immortal polymerization;yttrium alkoxides;metal-complexes;cyclic esters;extra donor;1-hexene;lactones;lactide
Project: Macromolecules
期刊/報告no:: Macromolecules, Volume 37, Issue 21, Page(s) 7968-7973.
Aluminum complexes bearing dianionic amine bis(phenolate) ligand are described. Reactions of ligand precursors H2O2NMe or H2O2NPr [H2O2NMe = (CH3)N-(CH2-2-HO-3.5-C6H2(Bu-t)(2))(2); H2O2NPr = (CH3CH2CH2)N-(CH2-2-HO-3,5-C6H2(Bu-t)(2))2] with 1.1 mol equiv of AlMe3 in toluene afford MeAlO2-NMe) (1) and MeAI(O2NPr) (2) as four-coordinate aluminum methyl complexes. The molecular structures are reported for compounds 1 and 2. Both compounds show excellent catalytic activity toward the ring-opening polymerization of is an element of-caprolactone in the presence of benzyl alcohol.
ISSN: 0024-9297
DOI: 10.1021/ma0492014
Appears in Collections:化學系所

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