
doi: 10.1038/168835a0
pmid: 14890772
Ruff and Reichstein1 have described a pregnan-7-ol and a pregnan-12-ol prepared by Wolff–Kishner reduction of acetoxypregnane ketones. They state that these two substances are probably the 7α- and 12α-hydroxy compounds; but since epimerization during Wolff–Kishner reduction is not excluded, they name them provisionally ‘7ξ’ and ‘12ξ’2. The molecular rotations of pregnan-7ξ-ol and of pregnan-12ξ-ol and their derivatives show that the two new compounds are indeed 7α and 12α.
Steroids
Steroids
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