Synthesis, crystal structures, and antimicrobial activity of two thiocyanato-bridged dinuclear copper(II) complexes derived from 2,4-dibromo-6-[(2-diethylaminoethylimino)methyl]phenol and 4-nitro-2-[(2-ethylaminoethylimino)methyl]phenol

doi:10.1007/S11243-008-9113-8

Paper

Synthesis, crystal structures, and antimicrobial activity of two thiocyanato-bridged dinuclear copper(II) complexes derived from 2,4-dibromo-6-[(2-diethylaminoethylimino)methyl]phenol and 4-nitro-2-[(2-ethylaminoethylimino)methyl]phenol

Published Jun 20, 2008 · Z. Hong

Transition Metal Chemistry

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Abstract

A pair of structurally similar thiocyanato-bridged dinuclear Cu(II) complexes derived from the Schiff bases 2,4-dibromo-6-[(2-diethylaminoethylimino)methyl]phenol and 4-nitro-2-[(2-ethylaminoethylimino)methyl]phenol has been prepared and characterized by physico-chemical and spectroscopic methods. Each Cu atom is five-coordinate in a square-pyramidal geometry, with one O and two N atoms of one Schiff base ligand and one N atom of a bridging thiocyanate ligand defining the basal plane, and with one terminal S atom of another bridging thiocyanate ligand occupying the apical position. Antimicrobial activities of the Schiff bases and the two complexes have been tested.

Study Snapshot

Two thiocyanato-bridged dinuclear copper(II) complexes derived from 2,4-dibromo-6-[(2-diethylaminoethylimino)methyl]phenol and 4-nitro-2-[(2-ethylaminoeth

PopulationOlder adults (50-71 years)

Sample size24

MethodsObservational

OutcomesBody Mass Index projections

ResultsSocial networks mitigate obesity in older groups.

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Paper

Synthesis, crystal structures, and antimicrobial activity of two thiocyanato-bridged dinuclear copper(II) complexes derived from 2,4-dibromo-6-[(2-diethylaminoethylimino)methyl]phenol and 4-nitro-2-[(2-ethylaminoethylimino)methyl]phenol

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References

Synthesis, characterization and biological studies of CoII, NiII, CuII and ZnII complexes of Schiff bases derived from 4-substituted carbostyrils[quinolin2(1H)-ones]

Schiff bases derived from 4-substituted carbostyrils show potential antibacterial, antifungal, and antitumor activity, with CuII complexes showing greater inhibitory action against P388/s tumor cells at lower concentrations.

Synthesis and antimicrobial activities of Schiff bases derived from 5-chloro-salicylaldehyde.

Schiff bases derived from 5-chloro-salicylaldehyde show promising antimicrobial activity against various bacteria and fungi, with (E)-4-chloro-2-((4-fluorobenzylimino)methyl)phenol showing the most favorable activity.

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The new tetradentate N2O2-type Schiff base ligand effectively extracts transition metal ions and its nickel complex, with CuII being the most extracted, shows a near square planar structure.

N-(salicylidene)nitrosophenylglycine Schiff base as NOOO-donor towards transition metal ions

The new ligand H2snpg shows moderate to high antimicrobial activity against various bacteria and fungi, with potential applications in pharmaceuticals and cosmetics.

Syntheses, Characterization and Crystal Structures of Three Structurally Similar Dinuclear Schiff Base Cadmium(II) Complexes with Bridging Azide or Thiocyanate Ligands

Three novel Schiff base cadmium(II) complexes with bridging azide or thiocyanate ligands have been synthesized and characterized, showing similar structures and distorted octahedral coordination.

Citations

Exploring CH···Azide interactions in Co(III) Schiff base complexes: Synthesis, crystal structures, and theoretical insights

CH-N3 interactions play a crucial role in the self-assembly of Co(III) Schiff-base complexes, forming 1D polymeric chains and offering insights into the role of noncovalent forces in designing new coordination complexes.

Role of steric crowding of ligands in the formation of hydroxido bridged di- and trinuclear copper(II) complexes: Structures and magnetic properties

Structural characterization of three new copper(II) complexes reveals antiferromagnetic coupling and steric crowding of ligands, with good agreement with experimental values.

Synthesis, crystal structure, photoluminescent and antimicrobial properties of a thiocyanato-bridged copper(II) coordination polymer

The synthesized Cu(II) polymer exhibits photoluminescence, antimicrobial, and spectroscopic properties, with potential applications in biosensors and biosensor applications.

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Schiff base coordination complexes show potential as antibacterial, antifungal, antioxidant, and anticancer agents, with potential applications in biological oxygen carrier systems and DNA-cleaving agents.

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Copper(II) complexes with tridentate N2O donor Schiff bases can form H-bonds, leading to various supramolecular architectures in their crystals.