A Novel Entry to Corticoids
β Scribed by Dr. Ulrich Kerb; Manfred Stahnke; Dr. Paul-Eberhard Schulze; Prof. Dr. Rudolf Wiechert
- Publisher
- John Wiley and Sons
- Year
- 1981
- Tongue
- English
- Weight
- 442 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0044-8249
No coin nor oath required. For personal study only.
β¦ Synopsis
Compounds of type ( I ) and ( ) are key substances for the synthesis of highly active corticoids'll such as dexamethasone, betamethasone and triamcinolone. The usual methods for their technical production are based on microbiological hydroxylation at C,, and dehydration with cleavage of the 11-and l7a-hydroxy groups.
(a), R = H; (h), R = Acyl
π SIMILAR VOLUMES
## Abstract Warming the dilithium salt 7 of furanβ2,5βdicarboxaldehyde bis(tosylhydrazone) to 110Β°C and subsequently trapping the products in solid argon at 10 K resulted in the formation of 1βdiazoβhexβ3βenβ5βynβ2βone (9). The intermediate 2,5βbis(diazomethylfuran) (6) is too labile to be directly