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Updated: Jun 21, 2026

Efficient Synthesis of All-Carbon Quaternary Centers via the Conjugate Addition of Functionalized Monoorganozinc Bromides
Published on: May 26, 2019
Microwave-Assisted Synthesis, Characterization, Crystal Structures and Antibacterial Activities of Zinc Complexes
Wei-Guang Zhang1, Ji-Hong Liang2
1Qiqihar University. zhangweiguang1230@163.com.
Abstract:
Five new zinc complexes, [Zn2L2] (1), [ZnBr2(LH)2] (2), [ZnCl2(LH)2] (3), [Zn(LH)2(NCS)2] (4), and [ZnI(CH3OH)L] (5), have been synthesized from the Schiff base 5-bromo-2-((cyclohexylimino)methyl)phenol (HL) under microwave irradiation. All the complexes were characterized by elemental analyses, IR, UV-Vis spectra. Structures of the complexes were further studied by single crystal X-ray determination, which revealed that the Zn atoms are in tetrahedral coordination. The halide and pseudohalide anions are readily coordinate to the Zn atoms. The biological activity of the complexes on the bacterial strains Staphylococcus aureus, Bacillus subtilis, Escherichia coli and Pseudomonas aeruginosa was evaluated and gave interesting results.
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