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A 15N NMR study of tautomerism in dimethyl dihydro-1,2,4,5-tetrazine-3,6-dicarboxylate
- or 1,4-dihydro tautomeric forms. The 15N NMR spectra of dimethyl dihydro-1,2,4,5-tetrazine-3,6-dicarboxylate were measured at the 15N natural abundance level as well as in 15Ndoubly labelled selectively and in 15N complet...
CC - Organická chemie
- 2008 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
15N?1H and 15N?13C Couplings in 15N-Enriched Dihydroxamic Acids
15N-enriched dihydroxamic acids (HONHCO(CH2)nCONHOH, n = 0, 1, and 2) were prepared and their spectra NMR (1H, 13C, 15N) recorded in dimethyl sulfoxide (DMSO) solutions with the aim of determining 15N coupling constants (
CF - Fyzikální chemie a teoretická chemie
- 2008 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Magnetic Resonance: 15N NMR Applications
15N NMR represents a dynamically developing field of NMR spectroscopy capable of offering new and versatile data in many branches of science. Various NMR parameters, for example, 15N chemical shift tensors, 1H-15N coupling ...
CF - Fyzikální chemie a teoretická chemie
- 2010 •
- C
Rok uplatnění
C - Kapitola v odborné knize
15N NMR study of azo-hydrazo tautomerism in some industrially produced azo dyes
15N NMR data (1J (15N, 1H) coupling constants and 15N chemical shifts) were used to characterize quantitatively azo-hydrazo tautomerism in some industrially produced azo dyes. Both 1J (15N, 1H) coupling constants a...
Organic chemistry
- 2024 •
- Jimp •
- Link
Rok uplatnění
Jimp - Článek v periodiku v databázi Web of Science
Výsledek na webu
Synthesis of 15N-labelled nitro compounds with a 2,4,6-trinitrophenyl group
-2,4,6-(15NO2)3-trinitrobenzene (picrylchloride-(15NO2)3) and various 15N labelled compounds with a 2,4,6-trinitrophenyl (picryl) moiety is described. 15N labelled), labelled at different nitrogen atoms were prepared. Potassium (
Organic chemistry
- 2020 •
- D
Rok uplatnění
D - Stať ve sborníku
15N NMR and X-ray Study of Isoquinoline and Cryptolepine Alkaloids and Their Derivatives
15N NMR parameters are sensitive indicators of the structural and electronic is a continuation of our previous study on the 15N NMR spectroscopy of isoquinoline alkaloids multiple bond correlation experiments (GHMBC and GSQMBC). The...
CF - Fyzikální chemie a teoretická chemie
- 2003 •
- D
Rok uplatnění
D - Stať ve sborníku
15N NMR Spectroscopy in Structural Analysis
The implementation of both the directly and the inversely detected 15N NMR techniques at the natural abundance level of the 15N isotope is demonstrated of 15N NMRto the elucidation of the structures of natural compounds and...
CC - Organická chemie
- 2002 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
using of 15N and 18O isotopes for study of nitrate contamination of water resources
using of 15N and 18O isotopes for study of nitrate contamination of water resources...
DA - Hydrologie a limnologie
- 2006 •
- D
Rok uplatnění
D - Stať ve sborníku
Isoquinoline alkaloids - an 15N NMR and X-ray study
The present contribution is a continuation of our previous study on the 15N NMR spectroscopy of isoquinoline alkaloids. The values of the 15N chemical shifts are discussed in terms of the structural arrangements and the 1H-15N
CC - Organická chemie
- 2002 •
- D
Rok uplatnění
D - Stať ve sborníku
N7- and N9-Substituted Purine Analogues - 15N NMR Study
15N NMR chemical shifts of N7- and N9-substituted purine (guanine and adenine) analogues were systematically studied at natural abundance 15N level. NMR chemical GSQMBC experiments. 15N CP/MAS data of selected compounds wer...
CC - Organická chemie
- 2001 •
- D
Rok uplatnění
D - Stať ve sborníku
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