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Citation: Zhou Yuping, Yang Zhengyin, Yu Hongjuan, Yang Rudong. Syntheses, Characterization and Bacteriostatic Activities of 1-Phenyl-3-methyl-4-benzoylpyrazolone-5-thiosemicarbazone and Its Rare Earth Complexes[J]. Chinese Journal of Applied Chemistry, ;1999, 16(6): 37-41. shu

Syntheses, Characterization and Bacteriostatic Activities of 1-Phenyl-3-methyl-4-benzoylpyrazolone-5-thiosemicarbazone and Its Rare Earth Complexes

1.
Deportment of Chemistry, Lanzhou University, Lanzhou 730000

Received Date: 29 March 1993
Available Online: 15 June 1999

Title compound, a novel ligand, has been synthesized.Its thirteen rare earth complexes have been prepared by reacting the ligand with RE(OH)₃ in ethanol-water(1:1) solution.The compositions of the complexes have been determied as REL₃·nH₂O(RE=La, Pr, Nd, Sm,Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu; n=4~6).The compounds have been characterized by elemental analysis, molar conductivity, IR, UV, ¹H NMR and DTA-TG measurements.The ligand and complexes have been evaluated for bacteriostatic activity against Escherichia Coil,Staphpococcus aureus and Bacillus subtilis.
- phenylmethylbenzoylpyrazolone,
- thiosemicarbazone,
- rare earth complex,
- synthesis,
- bacteriostatic activity
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