A synthesis of new groups of bicyclic steroids with a bicycle [3.3.1.] nonane ring A system is described. The insertion of an additional ring is performed by means of the Bichael addition of ethyl acetoacetate to 17~ -propionoxyandrosta -1.4.6-triene-3-one (1). followed by an aldol condensation of i
Bridged ring systems—II : Rearrangements in the bicyclo[3:3:1]nonane series
✍ Scribed by R.D.H. Murray; W. Parker; R.A. Raphael; D.B. Jhaveri
- Publisher
- Elsevier Science
- Year
- 1962
- Tongue
- French
- Weight
- 506 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0040-4020
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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v
The Huang-Minlon reduction of 7a-hydroxymethylbicyclo[3.3.11nonan-3-one (1) gave 7B-methylbicyclo[3.3.llnonan-36-01 (21, a product formed as a result of the transannular 1,6-hydride shift enforced by relief of the steric constraint in the system. Another example of the intramolecular hydride transfe