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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 35, Number 4
BKCSDE 35(4)
April 20, 2014 

The Effect of Electron-withdrawing Group Functionalization on Antibacterial and Catalytic Activity of Palladium(II) Complexes
Zhi-Qiang Feng*, Xiao-Li Yang, Yuan-Feng Ye, Lin-Yun Hao
Palladium complexes, Electron-withdrwaing groups, Luminescence, Antibacterial activity, Catalytic activity
The design, synthesis, and structural characterization of two new palladium complexes based on Schiff base ligands is reported; [Pd(L1)2] (1) and [Pd(L2)2] (2), [HL1 = 2-((E)-(2,6-diethylphenylimino)methyl)-4,6- dibromophenol, L2 = (E)-N-benzylidene-2,6-diethylbenzenamine], which are obtained by functionalizing Schiff base ligands with or without electron-withdrawing groups. Both compounds are mononuclear structures. Comparisons are made to the compounds 1 and 2 to analyze and understand the effect of electron-withdrawing groups. Antibacterial activity studies indicate the electron-withdrawing groups on Schiff base ligands enhance antibacterial activity. Catalytic activity, however, is reduced due to the enhanced steric-hindrance of the electron-withdrawing groups. Electronic absorption and emission properties of HL1, L2, 1 and 2 are also reported.
1121 - 1127
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