13C NMR data for chlorine- or nitro-substituted azomethine dyes

The 13C NMR spectra of 1‐aryl‐substituted 3‐methyl‐2‐pyrazolin‐5‐ones and their azomethine dyes have been recorded and assigned. ortho‐Substituents (Cl and NO2) on the phenyl ring in the 1‐position of the pyrazoline moiety show a small influence on the chemical shift of the azomethine bond carbon at...

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Veröffentlicht in:Magnetic resonance in chemistry 1990-09, Vol.28 (9), p.817-819
Hauptverfasser: Haessner, Rainer, Hennig, Lothar, Gaca, Jerzy
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container_issue 9
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container_title Magnetic resonance in chemistry
container_volume 28
creator Haessner, Rainer
Hennig, Lothar
Gaca, Jerzy
description The 13C NMR spectra of 1‐aryl‐substituted 3‐methyl‐2‐pyrazolin‐5‐ones and their azomethine dyes have been recorded and assigned. ortho‐Substituents (Cl and NO2) on the phenyl ring in the 1‐position of the pyrazoline moiety show a small influence on the chemical shift of the azomethine bond carbon atom, C‐4.
doi_str_mv 10.1002/mrc.1260280915
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subjects 1-Aryl-substituted 3-methyl-2-pyrazolin-5-ones and their azomethine dyes
13C NMR
Atomic and molecular physics
Exact sciences and technology
Molecular properties and interactions with photons
Nuclear resonance and relaxation
Physics
Substituent effects
title 13C NMR data for chlorine- or nitro-substituted azomethine dyes
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