Proton magnetic resonance studies of rotational isomerism around the 2-propyl-nitrogen bond in some thionamides
β Scribed by Siddall, Thomas H.; Stewart, William Esley.
- Book ID
- 126180964
- Publisher
- American Chemical Society
- Year
- 1970
- Tongue
- English
- Weight
- 542 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0022-3263
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The "N NMR chemical shifts of ten substituted pyridines (B) and their complexes with trifluoroacetic acid (AHB) were measured at the natural abundance level in dichloromethane. The plot of the relative chemical shifts [A6("N) = G(AHB) -6(B)] against ApK, gives a titration curve which reflects a prot
## Abstract Some bridgehead nitrogen compounds possessing the CH(Me)βbridgehead Nο£ΏC(O) system have been synthesised and their configurations assigned. The chemical shifts of the proton geminal to the methyl group provides evidence for the existence of a deformed chair conformation for the methyl su