NMR study of the stereochemistry of 2,4,6,8-tetraaryl-3,7-diazabicyclo[3.3.1]nonan-9-ones
β Scribed by V. Vijayakumar; M. Sundaravadivelu; S. Perumal; M. J. E. Hewlins
- Publisher
- John Wiley and Sons
- Year
- 2000
- Tongue
- English
- Weight
- 160 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0749-1581
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π SIMILAR VOLUMES
The reaction of 2,6-diarylidenecyclohexanones with hydrazine hydrate in glacial acetic acid resulted in the formation of diastereomers of (E)-2-acetyl-3-aryl-7-arylidene-3,3a,4,5,6,7-hexahydroindazoles. The relative conΓgurations of these diastereomers were unambiguously assigned using 1H and 13C NM
Experimental and theoretical studies of the title molecule were carried out to analyse its preferential conformation according to the usual energetic criteria and also examine its IR and Raman spectra. Molecular orbital calculations were performed via the semiempirical AM1 and PM3 methods and ab ini