Oxidative ring-contraction in the sym-dicyclohexylethane series
โ Scribed by E. Ghera; F. Sondheimer
- Publisher
- Elsevier Science
- Year
- 1965
- Tongue
- French
- Weight
- 661 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0040-4020
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๐ SIMILAR VOLUMES
## Abstrac-Oxidation of the non-phenolic aporphines nuciferine (1). dicentrine (3). ocopodine (4) and thalicarpine ( 7) by iodine affords the corresponding dehydroaporphines (2. 5. 6 and 8). In contrast. iodine oxidation of non-phenolic noraporphines proceeds all the way to the oxoaporphine stage:
ed on GC-MS of the original acid fluoroheptyl ester mixture['] at the retention time of ester (1 f). In addition, two stereoisomeric C,,-steroid carboxylic acids were identified. Although structural proof is not complete, present results suggest that they are 5a-(Ig) and 5 B-cholanic acids. The si