Tetrahedron p. 899 - 901 (1981)
Update date:2022-08-28
Topics:
Fauve, A.
Kergomard, A.
In anaerobic conditions the reduction of Δ-4 3-keto steroids by Clostridium paraputrificum leads either to the 3-keto 5β compounds or to the corresponding 3α-hydroxytetrahydro-5β derivatives.This stereospecific bioconversion of αβ-unsaturated 3-keto steroids is shown to be directed by the substrate concentration.The conversion of Δ-4 cholestenone to coprostanone or coprostanol is not observed.
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