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Rare earth complexes with noncyclic polyethermethionine Schiff base
Author(s) -
KeMin Yao,,
Gui Lu,,
LianFang Shen,
Publication year - 1999
Publication title -
chinese journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.28
H-Index - 41
eISSN - 1614-7065
pISSN - 1001-604X
DOI - 10.1002/cjoc.19990170609
Subject(s) - chemistry , schiff base , molar conductivity , sulfur , rare earth , condensation reaction , elemental analysis , inorganic chemistry , proton nmr , nuclear chemistry , polymer chemistry , organic chemistry , mineralogy , catalysis
Abstract A novel Schiff base (TAMET) was synthesized by the condensation of tetraglycol aldehyde with methionine and a mild oxidant CrO 3 . (C 5 H 5 N) 2 was selected for the reaction. Seven new rare earth complexes with this Schiff base have been synthesized and characterized by elemental analysis, TG‐DTA, molar Conductivity, magnetic susceptibility and IR, especially 1 H NMR spectra. Information was obtained from reflectance spectra and the coordination of sulfur atom to rare earths was discussed. The experimental results show that these compounds have some biological activity and could dispose of O 2 − ‐.