Dinuclear Dysprosium and Ytterbium Complexes Incorporating N,N-Bis(pyrrolyl-alpha-methyl)-N-methylamine Ligand: Syntheses and Structures
文献类型:期刊论文
作者 | Zhou, Fengying2; Zhang, Suyun2; Zhao, Yang2; Zhang, Chongguang2; Cheng, Xiaojuan2; Zheng, Lina2; Zhang, Yong2; Li, Yahong1 |
刊名 | ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE
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出版日期 | 2009 |
卷号 | 635期号:15页码:2636-2641 |
关键词 | Dysprosium Ytterbium Dimer Chlorine X-ray Diffraction |
文献子类 | Article |
英文摘要 | Reaction of DyCl(3) with two equivalents of NaN(SiMe(3))(2) in THF yielded {Dy(mu-Cl)[N(SiMe(3))(2)](2)(THF)}(2) (1)-X-ray crystal structure analysis revealed that I is a centrosymmetric dimer with asymmetrically bridging chloride ligands. The metal coordination arrangement can be best described as distorted trigonal bipyramid. The bond lengths of Ln-Cl and Ln-N showed a decreasing trend with the contraction of the size of Ln(3+). Treatment of N,N-bis(pyrrolyi-alpha-methyl)-N-methylamine (H(2)dpma) with 1 and known compound {Yb(mu-Cl)[N-(SiMe(3))(2)](2)(THF)}(2), respectively, led to the formations of [Dy(mu-Cl)(dpma)(THF)(2)](2) (2) and {Yb(p-Cl)[N(SiMe(3))(2)](2)(THF)}(2) (3). Compounds 2 and 3 were fully characterized by single-crystal X-ray crystallography, elemental analysis, and (1)H NMR spectroscopy. Structure determination indicated that 2 and 3 exhibit as centrosymmetric dimers with asymmetrically bridging chloride ligands. One pot reactions involving LnCl(3) (Ln = Dy and Yb), LiN(SiMe(3))(2), and H(2)dpma were explored and desired products 2 and 3 were not yielded, which indicated that 1 and {Yb(mu-Cl)[N(SiMe(3))(2)](2)(THF)}(2) are the demanding precursors to synthesize Dysprosium and Ytterbium complexes supported by dpma(2-) ligand. Compounds 2 and 3 are the first reported lanthanide complexes chelated by dpma(2-) ligand. |
WOS关键词 | ORGANOLANTHANIDE COMPLEXES ; CRYSTAL-STRUCTURES ; ETA(1)-PYRROLYL COMPLEXES ; MOLECULAR-STRUCTURES ; LANTHANIDE ; CHLORIDES ; REACTIVITY ; RING ; N,N-DI(PYRROLYL-ALPHA-METHYL)-N-METHYLAMINE ; POLYMERIZATION |
WOS研究方向 | Chemistry |
语种 | 英语 |
WOS记录号 | WOS:000273393800044 |
源URL | [http://ir.isl.ac.cn/handle/363002/5895] ![]() |
专题 | 青海盐湖研究所_青海盐湖研究所知识仓储 |
作者单位 | 1.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Salt Lake Resources & Chem, Xining 810008, Peoples R China 2.Suzhou Univ, Coll Chem & Chem Engn, Key Lab Organ Synth Jiangsu Prov, Suzhou 215123, Peoples R China |
推荐引用方式 GB/T 7714 | Zhou, Fengying,Zhang, Suyun,Zhao, Yang,et al. Dinuclear Dysprosium and Ytterbium Complexes Incorporating N,N-Bis(pyrrolyl-alpha-methyl)-N-methylamine Ligand: Syntheses and Structures[J]. ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE,2009,635(15):2636-2641. |
APA | Zhou, Fengying.,Zhang, Suyun.,Zhao, Yang.,Zhang, Chongguang.,Cheng, Xiaojuan.,...&Li, Yahong.(2009).Dinuclear Dysprosium and Ytterbium Complexes Incorporating N,N-Bis(pyrrolyl-alpha-methyl)-N-methylamine Ligand: Syntheses and Structures.ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE,635(15),2636-2641. |
MLA | Zhou, Fengying,et al."Dinuclear Dysprosium and Ytterbium Complexes Incorporating N,N-Bis(pyrrolyl-alpha-methyl)-N-methylamine Ligand: Syntheses and Structures".ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE 635.15(2009):2636-2641. |
入库方式: OAI收割
来源:青海盐湖研究所
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