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Synthesis, characterization, and antibacterial activity of a cobalt(II) Schiff base complex derived from pyridoxal and sulfanilic acid |
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| Authors: | Ju-Lan Zeng Fu-Rong Zhu Sai-Bo Yu Fan-Zhi Zeng Jing Wu Lin Tan Shuang-Hao Zheng Na-Na Wang Ling Zhang Jian Yu |
| Institution: | 1. Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation, School of Chemistry and Biological Engineering, Changsha University of Science and Technology, Changsha, 410114, People??s Republic of China 2. China Tobacco Hunan Industrial Corporation, Changsha, 410007, People??s Republic of China 3. College of Clinical Medicine, Hebei United University, Tangshan, 063000, People??s Republic of China |
| Abstract: | Reaction of pyridoxal hydrochloride and sulfanilic acid with CoCl2 in aqueous methanol solution afforded a Co(II) Schiff base complex, which was characterized by physico-chemical and spectroscopic methods. The structure of the complex was determined by single crystal X-ray diffraction. In the complex, the Co(II) is sandwiched at the edge of two parallel Schiff base ligands, being coordinated by two phenolic O and two imine N atoms of two Schiff base ligands plus two O atoms of water ligands, forming a distorted octahedral coordination environment. Thermal stability measurements showed that the skeleton of the complex is stable up to 500?K. The antibacterial activity of the complex was screened using the paper disc diffusion method. |
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