期刊
DALTON TRANSACTIONS
卷 -, 期 41, 页码 9068-9074出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/b907549f
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资金
- National Science Council of the Republic of China [NSC 952113-M-005-010-MY3]
A series of magnesium bis(amido-oxazolinate) complexes have been described. Reactions of six amido-oxazolinate ligand precursors, HNC(2)(Me)Oxa, HNC(2)(OMe)Oxa, HNC(2)(StBu)Oxa, HNPhOxa, HNPh(OMe)Oxa or HNPh(SMe)Oxa, with half molar equivalent of (MgBu2)-Bu-n in hexane yield the magnesium bis(amido-oxazolinate) complexes, (NC(2)(E)Oxa)(2)Mg [C-2(E) = propyl, (NC(2)(Me)Oxa)(2)Mg (1); C-2(E) = 2-methoxyethyl, (NC(2)(OMe)Oxa)(2)Mg (2); C-2(E) = 2-tert-butylthioethyl, (NC(2)(StBu)Oxa)(2)Mg (3)], or magnesium bis(anilido-oxazolinate) complexes, (NArOxa)(2)Mg [Ar = phenyl, (NPhOxa)(2)Mg (4); Ar = 2-methoxyphenyl, (NPh(OMe)Oxa)(2)Mg (5); Ar = 2-methylthiophenyl, (NPh(SMe)Oxa)(2)Mg (6)], respectively. The molecular structures are reported for compounds 1, 2, 5 and 6. Their catalytic activities toward the ring opening polymerisation of L-lactide in the presence of benzyl alcohol are also under investigation.
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