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	Ketopiperazinediacetate zinc and copper complexes in the degradation of ethylenediaminetriaceta
	Yang, Yu-Chen ; Zhang, Hua-Lin ; Zhou, Zhao-Hui ; Zhou CH(周朝晖)
	2011-04-02
关键词	Ketopiperazinediacetic acid Ethylenediaminetriacetic acid Zinc Copper Degradation Crystal structure
英文摘要	Polymeric ketopiperazinediacetate complexes [M(kpda)(H(2)O)(2)](n)center dot H(2)O (M = Cu, 1; Zn, 2. H(2)kpda = ketopiperazinediacetic acid, C(8)H(12)N(2)O(5)) were obtained from the reactions of copper chloride and zinc nitrate with ethylenediaminetriacete at pH 5.0 (H(3)ed3a = ethylenediaminetriacetic acid), where ed3a is in equilibrium with amidation product of kpda. 1 or 2 consists of a monomeric neutral unit [M(kpda)(H(2)O)(2)](n), where ketopiperazinediacetate anion serves as bridged ligand through the amine nitrogen and the acetate oxygen forming a glycinate metallocycle, and the other acetate coordinates bidentately with the neighboring metal atom. The former could be converted to [Cu(II)(ox)(phen)(H(2)O)]center dot H(2)O (3) after the addition of phenanthroline (H(2)ox = oxalic acid, phen = phenanthroline), which shows degradation of ethylenediaminetriaceta, where [Cu(I)(phen)(2)Cl]center dot 6H(2)O (4) and [Cu(II)(phen)(2)(H(2)O)](NO(3))(2) (5) were isolated in the reaction sequence. (C) 2011 Elsevier B.V. All rights reserved.; National Science Foundation of China[21073150]; Ministry of Science and Technology of China[2010CB732303]
语种	英语
出版者	ELSEVIER SCIENCE BV
内容类型	期刊论文
源URL	[http://dx.doi.org/doi:10.1016/j.inoche.2011.03.051]
专题	化学化工－已发表论文
推荐引用方式 GB/T 7714	Yang, Yu-Chen,Zhang, Hua-Lin,Zhou, Zhao-Hui,et al. Ketopiperazinediacetate zinc and copper complexes in the degradation of ethylenediaminetriaceta[J],2011.
APA	Yang, Yu-Chen,Zhang, Hua-Lin,Zhou, Zhao-Hui,&周朝晖.(2011).Ketopiperazinediacetate zinc and copper complexes in the degradation of ethylenediaminetriaceta..
MLA	Yang, Yu-Chen,et al."Ketopiperazinediacetate zinc and copper complexes in the degradation of ethylenediaminetriaceta".(2011).

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