Synthesis and characterization of lanthanide complexes of 1-phenyl-3-methyl-5-hydroxy-4-pyrazolyl-phenyl ketone-2'-picolinoyl hydrazone

B T Thaker; Chetan K Modi

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Synthesis and characterization of lanthanide complexes of 1-phenyl-3-methyl-5-hydroxy-4-pyrazolyl-phenyl ketone-2'-picolinoyl hydrazone

机译：1-苯基-3-甲基-5-羟基-4-吡唑基-苯基酮-2'-吡啶啉yl的镧系元素配合物的合成与表征

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摘要

The ligand, 1-phenyl-3-methyl-5-hydroxy-4-pyrazolyl phenyl ketone 2'-picolinoyl hydrazone (HL) is prepared by condensation of 1-phenyl-3-methyl-4-benzoyl-5-pyrazolone with 2-picolinic acid hydrazide. Seven complexes of lanthanides with HL of the type (Ln(HL)_3).2H_2O (where Ln = trivalent lanthanides such as La, Ce, Nd, Sm, Gd, Dy and Er) have been synthesized and characterized by complexometric titration of lanthanoid ions, elemental analysis, molar conductance IR, ~1HNMR, electronic spectral studies and TGA analysis. IR spectra and thermogram shows the presence of two water moieties outside the coordination sphere and are non-electrolytic in nature. The complexes appear to be nine-coordinated and ligand act as a tridentate ligand.

机译：配体1-苯基-3-甲基-5-羟基-4-吡唑基苯基酮2'-吡啶啉yl（HL）是通过将1-苯基-3-甲基-4-苯甲酰基-5-吡唑啉酮缩合制备的-吡啶甲酸酰肼。合成了七种镧系元素与（Ln（HL）_3）.2H_2O类型的HL的配合物（其中Ln =三价镧系元素，例如La，Ce，Nd，Sm，Gd，Dy和Er）并通过络合滴定镧系元素表征离子，元素分析，摩尔电导IR，〜1HNMR，电子光谱研究和TGA分析。红外光谱和热谱图显示了在配位域之外存在两个水部分，它们本质上是非电解的。该复合物似乎是九配位的，并且配体充当三齿配体。

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《Indian Journal of Chemistry, Section A. Inorganic, Physical, Theoretical & Analytical》 |2002年第12期|共4页
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B T Thaker; Chetan K Modi;
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中图分类化学;化学工业;
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1. Synthesis and characterization of lanthanide complexes of 1-phenyl-3-methyl-5-hydroxy-4-pyrazolyl-phenyl ketone-2'-picolinoyl hydrazone [J] . B T Thaker, Chetan K Modi Indian Journal of Chemistry, Section A. Inorganic, Physical, Theoretical & Analytical . 2002,第12期

机译：1-苯基-3-甲基-5-羟基-4-吡唑基-苯基酮-2'-吡啶啉yl的镧系元素配合物的合成与表征
2. Synthesis, characterization, luminescence and biological activities of lanthanide complexes with a hydrazone ligand [J] . Babu S. Vidyasagar, Eswaramma S., Rao K. S. V. Krishna Main group chemistry . 2018,第1期

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Synthesis and characterization of lanthanide complexes of 1-phenyl-3-methyl-5-hydroxy-4-pyrazolyl-phenyl ketone-2'-picolinoyl hydrazone

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