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题名: Magnesium complexes supported by pyrrolyl ligands: syntheses,characterizations, and catalytic activities towards the polymerizationof epsilon-caprolactone
作者: Lin, Miaoshui ;  Liu, Wei ;  Chen, Zhou ;  Yang, Lijuan ;  Pei, Hao ;  Wu, Jian ;  Wan, Xiaoyu ;  Lei, Tao ;  Li, Yahong
刊名: RSC ADVANCES
出版日期: 2012
卷号: 2, 期号:8, 页码:3451-3457
英文摘要: The syntheses, structures and catalytic activities of five magnesium complexes supported by HL1 (HL1 = N-(1H-pyrrol-2-ylmethylene)(2-pyridinyl)methanimine), HL2 (HL2 = N-(1H-pyrrol-2-ylmethylene)-2-pyridineethanimine), HL3 (HL3 = 2-pyrrolecarbaldmethylimine), HL4 (HL4 = N-((1H-pyrrol-2-yl)methylene)(phenyl)methanimine) and HL5 (HL5 = N-((1H-pyrrol-2-yl)methylene)-2-phenylethanimine) are described. Treatment of (MgBu2)-Bu-n with 2 equiv. of HL1, HL2, HL3, HL4 and HL5, respectively, results in the formation of Mg(L1)(2) (1), Mg(L2)(2) (2), Mg(L3)(2)(THF)(2) (3), Mg(L4)(2)(THF)(2) (4) and Mg(L5)(2)(THF)(2) (5). All complexes have been characterized by elemental analyses and NMR studies. The solid-state structures of complexes 2, 3, and 4 have been further established by single X-ray crystallography. All complexes were found to be active catalysts for the ring-opening polymerization of epsilon-caprolactone. The syntheses, structures and catalytic activities of five magnesium complexes supported by HL1 (HL1 = N-(1H-pyrrol-2-ylmethylene)(2-pyridinyl)methanimine), HL2 (HL2 = N-(1H-pyrrol-2-ylmethylene)-2-pyridineethanimine), HL3 (HL3 = 2-pyrrolecarbaldmethylimine), HL4 (HL4 = N-((1H-pyrrol-2-yl)methylene)(phenyl)methanimine) and HL5 (HL5 = N-((1H-pyrrol-2-yl)methylene)-2-phenylethanimine) are described. Treatment of (MgBu2)-Bu-n with 2 equiv. of HL1, HL2, HL3, HL4 and HL5, respectively, results in the formation of Mg(L1)(2) (1), Mg(L2)(2) (2), Mg(L3)(2)(THF)(2) (3), Mg(L4)(2)(THF)(2) (4) and Mg(L5)(2)(THF)(2) (5). All complexes have been characterized by elemental analyses and NMR studies. The solid-state structures of complexes 2, 3, and 4 have been further established by single X-ray crystallography. All complexes were found to be active catalysts for the ring-opening polymerization of epsilon-caprolactone.
收录类别: SCI
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内容类型: 期刊论文
URI标识: http://ir.isl.ac.cn/handle/363002/2081
Appears in Collections:青海盐湖研究所知识仓储(2014年之前)_期刊论文

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Recommended Citation:
Lin, Miaoshui,Liu, Wei,Chen, Zhou,et al. Magnesium complexes supported by pyrrolyl ligands: syntheses,characterizations, and catalytic activities towards the polymerizationof epsilon-caprolactone[J]. RSC ADVANCES,2012,2(8):3451-3457.
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