In 1952 St. Andre et al1 described the preparation of 3&acetoxy-1@-hydroxyandrost-5-en-17\_one (2) from 3P-acetory-androst-5-en-17-one (1) by chromic anhydride oxidation of the dibromide in acetic acid. This reaction haa since been extensively used for the direct introduction of an a-hydroxyl group
โฆ LIBER โฆ
Oxidation of ergosterol acetate with chromic anhydride
โ Scribed by E. V. Yablonskaya; G. M. Segal'
- Book ID
- 112371941
- Publisher
- Springer
- Year
- 1971
- Tongue
- English
- Weight
- 395 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0009-3130
No coin nor oath required. For personal study only.
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## Aldehydes are efJiciently oxidized fo acyl nzidcs by azidotrimetlzylsilanp and chromic anhydride nt room temperature (nromntic), or nt -10 'C (aliphatic). Acyl azides are valuable synthetic intermediates. They are not only useful for the preparation of amides, but also undergo a facile thermal