Synthesis and Characterization of Polyamide Gd(Ⅲ) Complexes Containing L-Lysine Alkyl  Esters in the Main Chain

Chinese Journal of Applied Chemistry ›› 1998, Vol. 0 ›› Issue (3): 15-18.

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Synthesis and Characterization of Polyamide Gd(Ⅲ) Complexes Containing L-Lysine Alkyl Esters in the Main Chain

Bai Zhengwu, Zhuo Renxi

College of Chemistry, Wuhan University;Laboratory of Biomedical Polymer Materials of the State Education Commission, Wuhan 430072

Received:1997-10-06 Revised:1998-01-12 Published:1998-06-10 Online:1998-06-10

Abstract

Abstract: Macromolecular ligands were prepared by the condensation polymerization of diethylenetriaminepentaacetic dianhydride with long chain L lysine alkyl esters. The corresponding paramagnetic metal complexes were also prepared by the reaction of these ligands with GdCl₃. The relaxivities of these metal complexes are higher than that of Gd(DTPA).

Key words: L-lysine ester, polyamide, macromolecular gadolinium complex, MRI contrast agent, relaxivity

Bai Zhengwu, Zhuo Renxi. Synthesis and Characterization of Polyamide Gd(Ⅲ) Complexes Containing L-Lysine Alkyl Esters in the Main Chain[J]. Chinese Journal of Applied Chemistry, 1998, 0(3): 15-18.

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Synthesis and Characterization of Polyamide Gd(Ⅲ) Complexes Containing L-Lysine Alkyl Esters in the Main Chain

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