## Abstract The 1,3‐dipolar addition reaction of acrylonitrile to the betaine 1‐phenyl or methyl‐3‐oxidopyridinium is not so highly regioselective as generally assumed. New regioisomers are isolated. Their structures are proven by mass spectroscopy and proton‐and carbon‐NMR spectroscopy. Some 3,4di
✦ LIBER ✦
Synthesis of cedranoid sesquiterpenes. IV. X-ray characterization of the endo-6-hydroxy-endo-8-methyl and exo-6-hydroxy-exo-8-methyl isomers of methyl 6-hydroxy-4,4,8-trimethyl-3-oxo-cis-bicyclo[3.3.0]octane-1-carboxylate
✍ Scribed by Burnell, D. J. ;Freer, V. J. ;Grewal, R. S. ;Hayes, P. C. ;Sawyer, J. F. ;Yates, P.
- Book ID
- 119771054
- Publisher
- International Union of Crystallography
- Year
- 1988
- Tongue
- English
- Weight
- 505 KB
- Volume
- 44
- Category
- Article
- ISSN
- 0108-2701
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