A convenient isomerization of 6-oxo-3 alpha,5-cyclo-5 alpha-steroids to 6-oxo-delta 2-5 alpha-steroids.
Direct isomerization of 6-oxo-3 alpha,5-cyclo-5 alpha-steroids to 6-oxo-delta 2-5 alpha-steroids was accomplished by pyridinium hydrobromide in dimethyl-formamide.
D002776:Cholestanes / Q000378:metabolism*; D002778:Cholestanones / Q000378:metabolism*; D002782:Cholestenes / Q000378:metabolism*; D002783:Cholestenones / Q000138:chemical synthesis / Q000378:metabolism*; D007536:Isomerism; D008968:Molecular Conformation; D011725:Pyridines; D013256:Steroids
D002776:Cholestanes; D002778:Cholestanones; D002782:Cholestenes; D002783:Cholestenones; D011725:Pyridines; D013256:Steroids; C023666:pyridine