Syntheses and Properties of Ternary Complexes of Rare Earth Elements with 1'-Phenyl-3'-Methyl-5'-Oxopyrazole-4'-Formylmethanoic Acid and 1,10-Phenanthroline

Abstract

Abstract: The coordination reactions of rare earth elements with 1'-phenyl-3'-methyl-5'-oxopyra-zole-4'-formylmethanoic acid and 1, 10-phenanthroline have been studied by electric conductance titration. Thirteen new solid ternary coordination compounds were synthesized and characterized by elemental analysis, infrared, ultraviolet, proton magnetic resonance and thermogravimetric analysis. Their composition were proved to be RE₂L₃P₂·nH₂O, where REare rare earth elements except Sc, Ce,Pm, Lu: Lis 1'-phenyl-3'-methyl-5'-oxopyrazole-4'-formylmethanoic acid, Pis 1, 10-phenanthroline, n=4～6. 0n the basis of all above investigation, it can be concluded that these complexes belong to binuclear structure.

Key words: 1'-Pheny1-3'-methy1-5'-oxopyrazole-4'-formylmethanoic acid, 1,10-Phenanthroline, Rare earth, Ternary complexes

TrendMD:

Li Xiao-jing, Xing Ya-cheng, Dong Wen-ji, Wang Ya-hong, Yang Ru-dong . Syntheses and Properties of Ternary Complexes of Rare Earth Elements with 1'-Phenyl-3'-Methyl-5'-Oxopyrazole-4'-Formylmethanoic Acid and 1,10-Phenanthroline[J]. Chem. J. Chinese Universities, 1991, 12(3): 285.

References

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