Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
2028465 | Steroids | 2009 | 9 Pages |
Abstract
The Beckmann rearrangement of the syn and anti isomers of the spirocyclic oxime derived from a 16β,23:23,26-diepoxy-5β-cholestan-22-one was studied. Whereas the anti isomer always follows the Beckmann fragmentation course, the syn isomer, depending on the reaction conditions, follows the normal Beckmann rearrangement course and/or the isomerization to the anti isomer followed by the fragmentation course.
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Authors
Mariana Macías-Alonso, Marcos Flores-Alamo, Martín A. Iglesias-Arteaga,