The uC NMR spectra of three mesoionic 1,2,3-triazol-4-ylacetamides and two 1,2,3-triazol-4-ones were determined, and an evaluation of the shifts in relation to their mesoionic structure was made. A h e a r correlation between the I3C resonances and net charge densities, calculated by the CNDO/% meth
The 13C NMR spectra of 1,2,3-triazolo[1,5-a]pyridine and some monodeuteriated derivatives
โ Scribed by Gurnos Jones; D. Robert Sliskovic
- Publisher
- John Wiley and Sons
- Year
- 1984
- Tongue
- English
- Weight
- 120 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0749-1581
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โฆ Synopsis
The 13C signals of 1,2,3-triazolo[l,5-alpyridine (1) are assigned, using the corresponding 3-, 6-and 7-deuterio-heterocycles; couplig constants are also given for compound 1.
๐ SIMILAR VOLUMES
## Abstract ^1^H and ^13^C NMR spectra of 22 2โsubstituted 4,5โdimethylfurans are reported. The __J__(C, H) values were used for signal assignments and for the identification of geometrical isomers of some derivatives.
## Abstract ^1^H, ^13^C, and ^15^N NMR chemical shifts for pyridazines 4โ22 were measured using 1D and 2D NMR spectroscopic methods including ^1^H๏ฃฟ^1^H gDQCOSY, ^1^H๏ฃฟ^13^C gHMQC, ^1^H๏ฃฟ^13^C gHMBC, and ^1^H๏ฃฟ^15^N CIGARโHMBC experiments. Copyright ยฉ 2010 John Wiley & Sons, Ltd.
## Abstract The ^1^H and ^19^F spectra of a variety of monoโ and diโ fluorinated pyridines are examined, and compared with the corresponding spectra of the pyridinium ions. The magnitudes and signs of the ^1^H๏ฃฟ^19^F coupling constants are in general in accord with those observed for the correspondi