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Citation: LI Ai-Xiu, YANG Yun, WANG Jin-Ling. Synthesis,Structure and Bacteriostatic Activity of Co(Ⅱ) Complex of Schiff Base Prepared from PMBP and m-Chloroaniline[J]. Chinese Journal of Applied Chemistry, ;2004, 21(1): 49-53. shu

Synthesis,Structure and Bacteriostatic Activity of Co(Ⅱ) Complex of Schiff Base Prepared from PMBP and m-Chloroaniline

LI Ai-Xiu ^a,, ,
YANG Yun ^b,c ,
WANG Jin-Ling ^c

1.
a Medical College of Chinese People's Armed Police Forces, Tianjin 300162;
2.
b Tianjin Commerce University, Tianjin;
3.
c College of Chemical and Life Science, Tianjin Normal University, Tianjin

Corresponding author: LI Ai-Xiu,
Received Date: 25 April 2003
Available Online: 2 July 2003
Fund Project: 天津市自然科学基金(003601711) (003601711)天津市自然科学基金——21世纪青年基金(003700711)资助课题 (003700711)

The synthesis and structure characterization of a Schiff base prepared from 1-phenyl-3-methyl-4-benzoyl-5-pyrazolone(PMBP) and m-chloroaniline and its Co(Ⅱ) complex are reported. X-ray diffraction analysis of the Co(Ⅱ) complex indicates the complex possesses four-coordinated structure with a distorted tetrahedral configuration from two O atoms of pyrazolone rings and two N atoms of m-chloroaniline moieties. The dihedral angles between the pyrazolone rings and their adjacent chalet ring planes are 2.47° and 1.69°, respectively, indicating a high degree of conjugation and electron delocalization. The ligand, Co(Ⅱ), Cu(Ⅱ) and Ni(Ⅱ) complexes have good bacteriostatic activities against E. coli and S. aureus, while the Co(Ⅱ) complex has the highest.
- Schiff base,
- Co(Ⅱ)complex,
- synthesis,
- crystal structure,
- bacteriostatic activity
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