Journals / Turkish Journal of Chemistry / 2017 / Cilt: 41 - Sayı: 5

Experimental and computational studies on the absorption properties of novel formazan derivatives

Pages
710–727
Publication Date
2017-10-01
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Time-dependent density functional theory (TD-DFT) studies were conducted to shed light on their electronic structures, Kohn--Sham orbitals, and electronic transitions.

📌 3 Key Takeaways

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Objective & Hypothesis:Eight novel 3-(4-(benzyloxy)phenyl)-5-(4-bromophenyl)-1-(4-substituted-phenyl)formazan (4a-4h) were synthesized by coupling of substituted phenylhydrazones with diazonium salts of 4-bromoaniline.
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Key Findings & Data:The substituted phenylhydrazones, which are intermediate products, were obtained from the condensation of substituted phenylhydrazines with 4-(benzyloxy)benzaldehyde.
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Conclusion & Impact:Time-dependent density functional theory (TD-DFT) studies were conducted to shed light on their electronic structures, Kohn--Sham orbitals, and electronic transitions.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Formazans · UV-visible absorption spectroscopy · substituent effect

Abstract

Eight novel 3-(4-(benzyloxy)phenyl)-5-(4-bromophenyl)-1-(4-substituted-phenyl)formazan (4a-4h) were synthesized by coupling of substituted phenylhydrazones with diazonium salts of 4-bromoaniline. The substituted phenylhydrazones, which are intermediate products, were obtained from the condensation of substituted phenylhydrazines with 4-(benzyloxy)benzaldehyde. All target compounds were characterized by using FTIR, $^{1}$H NMR, $^{13}$C NMR, LC$-$MS spectrometry, and elemental analysis. Absorption spectra of these compounds in solvents with different polarities were investigated thoroughly. Time-dependent density functional theory (TD-DFT) studies were conducted to shed light on their electronic structures, Kohn--Sham orbitals, and electronic transitions.

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Cite This Article

TÜRKOĞLU, G., ÇINAR, M. E. (2017). Experimental and computational studies on the absorption properties of novel formazan derivatives. Turkish Journal of Chemistry, Cilt: 41 - Sayı: 5, 710–727. https://ajindex.com/articles/184596

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