Synthesis, Characterization of α-Oxopentanedioic Acid-Isonicotinoyl Hydrazone Rare Earth-Complexes and Relaxivity of Gd-complex
来源期刊：JOURNAL OF RARE EARTHS2004年第3期
论文作者：杨汝栋 杨正银
Key words：inorgonic chemistry; MRI contrast agent; Relaxivity; rare earth complexes;
Abstract: α-Oxopentanedioic acid isonicotinoyl hydrazone (H2L) and its five rare earth complexes were synthesized with a view to further investigating MRI activities of the polycarboxylic Schiff base complexes. The complexes were characterized on the basis of elemental analyses, IR, UV, 1H NMR spectra and thermal analyses. The general formula of the complexes is [Ln(HL)(H2O)2]Cl2·H2O (where Ln(Ⅲ)=La, Pr, Nd, Eu and Gd). In addition, the relaxivity (R1) of the Gd-complex was determined by INVREC Au program.
杨汝栋1，杨正银1
(1.State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China)
Abstract:α-Oxopentanedioic acid isonicotinoyl hydrazone (H2L) and its five rare earth complexes were synthesized with a view to further investigating MRI activities of the polycarboxylic Schiff base complexes. The complexes were characterized on the basis of elemental analyses, IR, UV, 1H NMR spectra and thermal analyses. The general formula of the complexes is [Ln(HL)(H2O)2]Cl2·H2O (where Ln(Ⅲ)=La, Pr, Nd, Eu and Gd). In addition, the relaxivity (R1) of the Gd-complex was determined by INVREC Au program.
Key words:inorgonic chemistry; MRI contrast agent; Relaxivity; rare earth complexes;
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