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Syntheses, Characterization, Crystal Structures and Antimicrobial Activity of Schiff Base Copper(II) Complexes Derived from 2-Bromo-6-((2-(isopropylamino)ethylimino)methyl)phenol

Yong Yuan, Xi-Kun Lu, Gao-Qi Zhou, Xiao-Yang Qiu

Abstract


Three new copper(II) complexes, [Cu(LH)2]Br2 (1), [Cu(LH)2]NCS2 (2), and [Cu(LH)2](NO3)2 (3), where LH is the zwitterionic form of 2-bromo-6-((2-(isopropylamino)ethylimino)methyl)phenol (HL), were synthesized and characterized by elemental analysis, IR and UV-vis spectroscopy. The structures of the complexes were further confirmed by single crystal X-ray structure determination. All compounds are mononuclear copper(II) complexes. The Cu atoms in the complexes are coordinated by two imino N and two phenolate O atoms from two LH ligands, forming square planar coordination. The compounds were assayed for their antimicrobial activities.


Keywords


Schiff base; copper complex; crystal structure; antimicrobial activity

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DOI: http://dx.doi.org/10.17344/acsi.2021.7070

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Copyright (c) 2020 Yong Yuan, Xi-Kun Lu, Gao-Qi Zhou, Xiao-Yang Qiu

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