Synthesis and relaxivity of polycarboxylic hydrazone rare earth complexes -Relaxivity of α-oxo-pentanedioic acid benzoyl hydrazone Gd-complexes

YANG Zhengyin; LI Fashen; YANG Li

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Synthesis and relaxivity of polycarboxylic hydrazone rare earth complexes -Relaxivity of α-oxo-pentanedioic acid benzoyl hydrazone Gd-complexes

机译：多元羧酸稀土配合物的合成与弛豫度-α-氧代戊二酸苯甲酰Gd配合物的弛豫性

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Synthesis of ligand, α-oxo-pentanedioic acid benzoyl hydrazone (H_2LPB), and its six rare earth (La, Pr, Nd, Sm, Gd and Er) complexes are reported. The composition and the properties of the complexes were characterized by element analysis, thermal analysis, UV, IR and H NMR spectra. Besides, relaxivity (R_1) of Gd-complex has been determined by INVREC. Au Program, using inversion recovery pulse sequences, R_1=8.05 mmol. L~-1. S~-1. The acute toxicity of Gd-complex in animal has also been tested, and the median lethal dose (LD_50) is equal to (468.2 ± mg/kg.

机译：报道了配体，α-氧代戊二酸苯甲酰（H_2LPB）及其六种稀土（La，Pr，Nd，Sm，Gd和Er）配合物的合成。通过元素分析，热分析，UV，IR和1 H NMR光谱对配合物的组成和性质进行了表征。此外，INVREC已经确定了Gd复合物的弛豫度（R_1）。 Au程序，使用反转恢复脉冲序列，R_1 ＝ 8.05mmol。 L〜-1。 S〜-1。还测试了Gd复合物对动物的急性毒性，中位致死剂量（LD_50）等于（468.2±mg / kg）。

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《Chinese science bulletin》 |2000年第20期|p.1844-1849|共6页
作者
YANG Zhengyin; LI Fashen; YANG Li;
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正文语种 eng
中图分类自然科学现状及发展;
关键词
α-oxo-pentanedioic acid benzoyl hydrazone; rare earth complexes; relaxivity.;

机译：α-氧代戊二酸苯甲酰;稀土配合物;放松。;

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Synthesis and relaxivity of polycarboxylic hydrazone rare earth complexes -Relaxivity of α-oxo-pentanedioic acid benzoyl hydrazone Gd-complexes

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