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Regioselective base-catalysed rearrangement of steroidal ??-unsaturated epoxides

โœ Scribed by Teutsch, George; Bucourt, Robert


Book ID
121365232
Publisher
The Royal Society of Chemistry
Year
1974
Tongue
English
Weight
158 KB
Volume
18
Category
Article
ISSN
0022-4936

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Rearrangement of steroidal epoxides and
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The ethylene ketal of 5,6a-epoxycholestan-3-one is converted to a ketalised A~-6ct-01 on treatment with n-BuLi. However, the corresponding 6 epoxide undergoes opening of the ketal ring in the same reaction. Methyl-and n-butyl-