Magnesium complexes supported by pyrrolyl ligands: syntheses,characterizations, and catalytic activities towards the polymerizationof epsilon-caprolactone

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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
ISSN	2046-2069
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.
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.