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ChemInform Abstract: Synthesis of 22-Cupriosteroids, a New Route to Steroids Possessing Oxygenated Side Chains.

✍ Scribed by I. SCHERLITZ-HOFMANN; U. BOESSNECK; B. SCHOENECKER

Book ID
112037427
Publisher
John Wiley and Sons
Year
2010
Weight
30 KB
Volume
27
Category
Article
ISSN
0931-7597

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Synthesis of 22-Cupriosteroids, a New Ro
Synthesis of 22-Cupriosteroids, a New Route to Steroids Possessing Oxygenated Side Chains
✍ Scherlitz-Hofmann, Ina ;Bâßneck, Ulrich ;SchΓΆnecker, Bruno πŸ“‚ Article πŸ“… 2006 πŸ› John Wiley and Sons 🌐 English βš– 591 KB

## Abstract A new method for the synthesis of steroids with oxygenated side chains starting from C~22~ steroids is described. Rieke copper, obtained by reduction of lithium 2‐thienylcyanocuprate 4 with lithium naphthalenide at βˆ’78Β°C or βˆ’100Β°C, reacts with the 22‐bromosteroids 1a, 2, 14 to afford th