## Abstract As part of our current investigations of nitropyridines, we hereby report the preparation of a new annulated heterocycle by Cβazo coupling. Thus, the azacinnoline, pyrido[3,4βc]pyridazinβ4(1__H__)βone (38%), was prepared from 4βacetylβ3βaminopyridine via diazotization. ^1^H, ^13^C, and
ChemInform Abstract: 7-Azacinnolin-4(1H)-one Preparation and NMR Studies of Tautomery.
β Scribed by Vegar Stockmann; Sebastian Primpke; Anne Fiksdahl
- Publisher
- John Wiley and Sons
- Year
- 2011
- Weight
- 24 KB
- Volume
- 42
- Category
- Article
- ISSN
- 0931-7597
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π SIMILAR VOLUMES
C NMR spectra have been recorded for eleven piperidin-4-one oximes and for seven of them 'H NMR spectra have been recorded at 270 MHz. The effect of oxhation on the N M R chemical shitts is discussed. The conformations of the oximes are also discussed, based on the observed chemical shifts. Althoug
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