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首页> 外文期刊>Zeitschrift fur Naturforschung, B. A Journal of Chemical Sciences >Some novel amino acid-Schiff bases and their complexes synthesis, characterization, solid state conductivity behaviors and potentiometric studies
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Some novel amino acid-Schiff bases and their complexes synthesis, characterization, solid state conductivity behaviors and potentiometric studies

机译:一些新颖的氨基酸席夫碱及其配合物的合成,表征,固态电导行为和电位研究

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摘要

Three new Schiff bases derived from the condensation reaction of thiophene-2-carbaldehyde and DL-alanine, DL-valine and DL-phenylalanine have been synthesized and their Co(II), Ni(II) and Cu(II) complexes have been prepared. The Schiff bases and the complexes have been characterized by their analytical and spectral data. The protonation constants of the Schiff bases and stability constants of the complexes have been determined potentiometrically in aqueous medium at 25 degreesC and 0.1 M KCl ionic strength. Solid state conductivities of the synthesized substances were using the four-probe technique on a compressed pellet at room temperature.
机译:从噻吩-2-甲醛与DL-丙氨酸,DL-缬氨酸和DL-苯丙氨酸的缩合反应中合成了三个新的席夫碱,并制备了它们的Co(II),Ni(II)和Cu(II)配合物。 Schiff碱和配合物的特征在于其分析和光谱数据。 Schiff碱的质子化常数和配合物的稳定性常数已在25℃和0.1 M KCl离子强度的水性介质中通过电势法测定。合成物质的固态电导率是在室温下使用四探针技术在压缩颗粒上进行的。

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