期刊文献+

含羧甲基侧臂的二(四)氮杂冠醚配体及稀土配合物的合成与表征

SYNTHESES AND CHARACTERIZATION OF NEW LIGANDS OF DIAZACROWN ETHER AND TETRAAZACROWN ETHER WITH CARBOXYBENZYL PENDANTS AND THEIR RARE EARTH COMPLEXES
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摘要 合成了 2个新型的含苯甲酸侧臂的二氮杂 18 冠 6衍生配体L1和四氮杂 18 冠 6衍生配体L2 ,制备了L1与稀土苦味酸盐和L2与稀土硝酸盐的配合物 .通过核磁共振谱、元素分析、红外和紫外光谱 ,对配体和配合物进行了表征 .实验结果表明 ,配体L1与稀土离子形成了 1∶1型配合物 ,而L2与稀土离子形成了双核配合物 . Two new derivatives of diazacrown ether and tetraazacrown ether with o-toluic acid pendants (L1 and L2) are synthesized. Their complexes with rare earth picrates and nitrates are prepared. Both the ligands and their complexes are characterized by NMR, elemental analysis, IR and UV-visible spectroscopies. The results show that L1 and rare earth ions are constitute 1∶1 complexes, while L2 and rare earth ions are constitute dinuclear complexex.
出处 《北京师范大学学报(自然科学版)》 CAS CSCD 北大核心 2004年第6期797-802,共6页 Journal of Beijing Normal University(Natural Science)
基金 北京市自然科学基金资助项目 (2 0 2 2 0 11) 北京师范大学青年基金资助项目 (10 770 0 0 5 )
关键词 二氮杂冠醚 四氮杂冠醚 羧基衍生物 稀土配合物 diazacrown ether tetraazacrown ether carboxylic acid derivative rare earth complexes
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参考文献11

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