The 1 H and 13 C NMR spectra of seven 2-substituted phenyl methyl sulphides were measured and their chemical shifts assigned on the basis of two-dimensional NMR techniques such as H,H-COSY and C,H-COSY. The chemical shifts of these sulphides were correlated with the appropriate SCS values of monosub
Benzodiazepine analogues. Part 19.1H and 13C NMR spectroscopic studies of 2-phenyl-1,4- and 1,5-benzoheterazepinethione derivatives
β Scribed by Malose J. Mphahlele; Perry T. Kaye
- Publisher
- John Wiley and Sons
- Year
- 2000
- Tongue
- English
- Weight
- 103 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0749-1581
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β¦ Synopsis
Selected 1,4-and 1,5-benzoheterazepinones, prepared by the Schmidt rearrangement of flavanone analogues, were converted to the corresponding thiolactam derivatives using phosphorus pentasulfide. The proton and carbon chemical shifts of the thiolactam derivatives are compared with those of their lactam precursors.
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Assignments of Some Amidoximes, 13C NMR 1,2,4-(thiones) and Oxa(thia)diazole-5(4H)
The 1H, 13C and 15N NMR spectra of a series of 5-alkylthio-3-aryl-2-cyano-5-dialkylaminopenta-2,4-dienenitriles (4 and 5) with di β erent amino and aryl substituents were recorded. The NMR chemical shifts are correlated with electronic e β ects of the substituents on the donor side of the butadiene sy