90075-25-5Relevant academic research and scientific papers
Preparation and Cleavage Reactions of Some Steroidal Epoxides
Bridge, Andrew W.,Morrison, George A.
, p. 2933 - 2944 (2007/10/02)
The steroidal epoxides (12), (13), (28), and (34) have been prepared and their reactions investigated.Attempts to prepare the epoxides (12) and (13) by the action of dimethylsulphonium methyilde or dimethylsulphoxonium methylide on the ketone 1 gave instead the rearranged product (2) and its methyl ether (3).Compound (2) has also been obtained by base-catalysed isomerization of the spiro-epoxide (13).Lewis acid-catalysed rearrangement of epoxides (12), (28), and (34) into the A-homo-B-norsteroids (16), (29), and (43) respectively is described.
