Intramolecular interactions in nitroamines studied by1H,13C,15N and17O NMR spectral and quantum chemical methods
✍ Scribed by Ryszard Gawinecki, Erkki Kolehmainen…
- Book ID
- 120736549
- Publisher
- Iranian Chemical Society
- Year
- 2013
- Tongue
- English
- Weight
- 280 KB
- Volume
- 11
- Category
- Article
- ISSN
- 1735-207X
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## Abstract Unusual behaviour was observed in the study of the ^17^O, ^13^C and ^1^H NMR and IR spectra of crowded (1‐adamantyl)alkyl ketones. As the size of the alkyl substituent is increased, abnormal upfield chemical shifts in the ^13^C NMR and downfield shifts in the ^17^O NMR of the carbonyl g
Pyridofuroxan ([1,2,5]oxodiazolo [3,4-b]pyridine 1-oxide) undergoes isomerization between the N1oxide and N3-oxide forms which can be observed by the 1 H, 13 C and 15 N NMR spectroscopy but not by 14 N and 17 O NMR at ambient and low temperatures. The rearrangement becomes slower at low temperatures