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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Copper(II) complexes with asymmetrical Schiff base ligands derived from 2-acetylpyrazine
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Copper(II) complexes with asymmetrical Schiff base ligands derived from 2-acetylpyrazine

机译:具有2-乙酰基吡嗪不对称席夫碱配体的铜(II)配合物

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摘要

New copper(II) complexes of asymmetrical tetradentate Schiff bases containing pyrazine have been prepared and thoroughly characterised by elemental analysis, IR and electronic spectroscopy, mass spectrometry and magnetic measurements. Two alternative methods were used in the isolation of the complexes: template synthesis in the preparation of Cu(SalDpyz)ClO4 (HSalDPyz = derived from the condensation of salicylaldehyde, acetylpyrazine and 1,2-ethylendiamine, 2-methyl-1,2-propylendiamine, 1,2-phenylendiamine) and direct interaction between copper perchlorate and the corresponding Schiff base, as in the isolation of Cu(AEPyz)(ClO4) (HAEPyz = (Z)-4-[2-{[2-{[2-{[(E)-1-(pyrazinyl)ethylidene]amino}ethyl)amino]-3-penten -2-one)]. [Cu(SalEn)(py)(OClO3)][Cu(SalEn)(py)]ClO4 (1) (SalEn = 4-(2-hydroxyphenyl)-3-aza-3-buten-1-amino, py = pyridine), metal precursor in the preparation of Cu(SalEnpyz)(ClO4) (HSalEnpyz = 2-{E(2-{[(E)-1-(2-pyrazinyl)ethylidene]amino}ethyl)imino]methyl}phenol), was crystallographically characterised. The crystal structure of [Cu(AEpyz)]ClO4 (2) is also reported. [References: 33]
机译:制备了新的含吡嗪的不对称四齿席夫碱铜(II)配合物,并通过元素分析,红外和电子光谱,质谱和磁测量进行了全面表征。两种复合物的分离方法:制备Cu(SalDpyz)ClO4的模板合成(HSalDPyz =由水杨醛,乙酰基吡嗪和1,2-乙基己二胺,2-甲基-1,2-丙基己二胺的缩合反应而得,1,2-苯基苯二胺)和高氯酸铜与相应席夫碱之间的直接相互作用,如在分离Cu(AEPyz)(ClO4)(HAEPyz =(Z)-4- [2-{[2-{[2 -{[((E)-1-(吡嗪基)亚乙基]氨基}乙基)氨基] -3-戊烯-2-一]]。 [Cu(SalEn)(py)(OClO3)] [Cu(SalEn)(py)] ClO4(1)(SalEn = 4-(2-羟基苯基)-3-氮杂-3-丁烯-1-氨基,py =吡啶),制备Cu(SalEnpyz)(ClO4)(HSalEnpyz = 2- {E(2-{[((E)-1-(2-吡嗪基)亚乙基]氨基}乙基)亚氨基]甲基}酚的金属前体),用结晶学表征。还报道了[Cu(AEpyz)] ClO4(2)的晶体结构。 [参考:33]

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