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Synthesis, characterization and crystal structures of copper(II), zinc(II) and vanadium(V) complexes, derived from 3-methyl-N′-(1-(pyridin-2-yl)ethylidene)benzohydrazide, with antibacterial activity

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Three copper(II), zinc(II), and vanadium(V) complexes, [CuL(HL)]ClO4 (1), [ZnL2] (2) and [VO2L] (3), where L is the anionic form of 3-methyl-N′-(1-(pyridin-2-yl)ethylidene)benzohydrazide (HL), were prepared and characterized by IR, UV–vis and single-crystal X-ray determination. X-ray analysis indicates that the complexes are mononuclear species, with the Cu and Zn ions in 1 and 2 in octahedral coordination, and with the V ion in 3 in trigonal bipyramidal coordination. The hydrazone compound and the three complexes were evaluated for antibacterial activities. The copper complex has effective activities.
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Keywords: Hydrazone; antibacterial activity; crystal structure; mononuclear complex

Document Type: Research Article

Affiliations: College of Science and Technology, Ningbo University, Ningbo, People’s Republic of China

Publication date: April 3, 2019

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