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Magnesium complexes supported by pyrrolyl ligands: syntheses,characterizations, and catalytic activities towards the polymerizationof epsilon-caprolactone
Lin, Miaoshui; Liu, Wei; Chen, Zhou; Yang, Lijuan; Pei, Hao; Wu, Jian; Wan, Xiaoyu; Lei, Tao; Li, Yahong
2012
发表期刊RSC ADVANCES
ISSN2046-2069
卷号2期号:8页码:3451-3457
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
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/2081
专题青海盐湖研究所知识仓储
推荐引用方式
GB/T 7714
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.
APA Lin, Miaoshui.,Liu, Wei.,Chen, Zhou.,Yang, Lijuan.,Pei, Hao.,...&Li, Yahong.(2012).Magnesium complexes supported by pyrrolyl ligands: syntheses,characterizations, and catalytic activities towards the polymerizationof epsilon-caprolactone.RSC ADVANCES,2(8),3451-3457.
MLA Lin, Miaoshui,et al."Magnesium complexes supported by pyrrolyl ligands: syntheses,characterizations, and catalytic activities towards the polymerizationof epsilon-caprolactone".RSC ADVANCES 2.8(2012):3451-3457.
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