Methods for stereoselective reduction

Details Methods for stereoselective reduction Methods for stereoselective reduction

C - Chemistry, Metallurgy

07

D

C07D 491/048 (2006.01) A61K 31/4355 (2006.01) C07J 69/00 (2006.01)

Patent

CA 2710858

The invention is directed to a method to reduce a C-C double bond of an enone of a steroidal compound to produce a mixture of .beta. ketone product and a ketone product, comprising treating a solution or suspension of the steroidal compound in a solvent with hydrogen gas in the presence of a catalyst and a substituted pyridine.

L'invention concerne un procédé de réduction d'une double liaison C=C dans une énone d'un composé stéroïdien en vue de l'obtention d'un mélange d'un produit ß-cétonique et d'un produit a-cétonique, ledit procédé comprenant le traitement d'une solution ou d'une suspension du composé stéroïdien dans un solvant au moyen d'hydrogène gazeux en présence d'un catalyseur et d'une pyridine substituée.

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