## Abstract The ^15^N, ^13^C and ^1^H NMR spectra of 2:1 cobalt(III) complexes of azo dyes and their ^15^N isotopomers, derived from substituted 2‐hydroxyaniline azo coupling products with acetoacetanilide, were measured. It was found that, in contrast to precursors existing fully in their hydrazon
15N, 13C and 1H NMR spectra of three 2:1 cobalt(III) complexes of 1-(2-carboxyphenyl)azo-2-naphthol
✍ Scribed by A. Lyčka; J. Holeček
- Book ID
- 108401541
- Publisher
- Elsevier Science
- Year
- 2003
- Tongue
- English
- Weight
- 180 KB
- Volume
- 57
- Category
- Article
- ISSN
- 0143-7208
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The 27Al, 15N, 13C and 1H NMR spectra in DMSO and 27Al and 15N magic angle spinning NMR spectra of 2 : 1 aluminium(III) complexes derived from 5-chloro-2-hydroxyaniline azo coupling products with acetoacetanilide, 3-methyl-1-phenylpyrazol-5-one and 2-naphthol were measured and analysed. It was found
## REFERENCE DATA carbons, for various substituent groups and positions were carried out by gated decoupling with NOE. ## RESULTS AND DISCUSSION The I3C NMR chemical shifts of the compounds are shown in Tables 123; 'J(CH) and long-range coupling constants of 2, 9, 13 and 18, measured by gated d