Effect of solvent polarity and temperature on the spectral and thermodynamic properties of exciplexes of 1-cyanonaphthalene with hexamethylbenzene in organic solvents

Asim, Sadia; Mansha, Asim; Grampp, Günter; Landgraf, Stephan; Zahid, Muhammad; Bhatti, Ijaz Ahmad

doi:10.1016/j.jlumin.2014.02.002

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“…Fluorescence “turn‐on” is then expected to take place in the presence of specific metal ions by blocking PET. Additionally, solvent polarity is important for the regulation of molecular fluorescence as well as PET or related photomechanisms; solvent polarity is related to the stabilization of ground or excited states of the molecules …”

Section: Introductionmentioning

confidence: 90%

Solvent‐controlled Novel Cu⁺ and Cu^+/2+ Fluorescent “Turn‐ON” Probing

Murale

Manjare

et al. 2015

Bulletin Korean Chem Soc

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Section: Introductionmentioning

confidence: 90%

Solvent‐controlled Novel Cu⁺ and Cu^+/2+ Fluorescent “Turn‐ON” Probing

Murale

Manjare

et al. 2015

Bulletin Korean Chem Soc

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Microwave Assisted Synthesis, Spectrofluorometric Characterization of Azomethine as Intermediate for Transition Metal Complexes with Biological Application

2016

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Azomethine (1, 5 - Dimethyl - 2 - phenyl -[(3, 4, 5 -trimethoxybenzylidene) amino] -1, 2 - dihydropyrazol - 3 - one) (DTAD) was synthesized by the reaction of 4-aminophenazone with 3,4,5 trimrthoxybenzaldehyd by microwave irradiation. Physicochemical studies such as electronic absorption, molar absorptivity, oscillator strength, dipole moment, florescent quantum yield were investigated in order to explore the analytical potential of azomethine dye. Azomethine go through the solubilization in different micelles and may be used as a probe or quencher to determine the critical micelle concentration (CMC) of SDS and CTAB. It's coordinate to metal salt through the pyrazol-3-one oxygen and the azomethine nitrogen. The structure of ligand and its meal complexes was elucidated by IR, (1)H, (13)C-NMR, EI-MS spectroscopic methods and elemental analysis. The antibacterial activity of these compounds were first tested in vitro by the disc diffusion assay against two Gram-positive and two Gram-negative bacteria, and then the minimum inhibitory concentration was using chloramphenicol as reference drug. The results showed that compound 1.1 is better inhibitor of both types of tested bacteria as compared to chloramphenicol.

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Effect of solvent polarity and temperature on the spectral and thermodynamic properties of exciplexes of 1-cyanonaphthalene with hexamethylbenzene in organic solvents

Cited by 2 publications

References 40 publications

Solvent‐controlled Novel Cu⁺ and Cu^+/2+ Fluorescent “Turn‐ON” Probing

Solvent‐controlled Novel Cu⁺ and Cu^+/2+ Fluorescent “Turn‐ON” Probing

Microwave Assisted Synthesis, Spectrofluorometric Characterization of Azomethine as Intermediate for Transition Metal Complexes with Biological Application

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Effect of solvent polarity and temperature on the spectral and thermodynamic properties of exciplexes of 1-cyanonaphthalene with hexamethylbenzene in organic solvents

Cited by 2 publications

References 40 publications

Solvent‐controlled Novel Cu+ and Cu+/2+ Fluorescent “Turn‐ON” Probing

Solvent‐controlled Novel Cu+ and Cu+/2+ Fluorescent “Turn‐ON” Probing

Microwave Assisted Synthesis, Spectrofluorometric Characterization of Azomethine as Intermediate for Transition Metal Complexes with Biological Application

Contact Info

Product

Resources

About

Solvent‐controlled Novel Cu⁺ and Cu^+/2+ Fluorescent “Turn‐ON” Probing

Solvent‐controlled Novel Cu⁺ and Cu^+/2+ Fluorescent “Turn‐ON” Probing