C - Chemistry – Metallurgy – 07 – J
Patent
C - Chemistry, Metallurgy
07
J
C07J 5/00 (2006.01) C07J 75/00 (2006.01)
Patent
CA 2448037
The present invention is a novel process for the transformation of 17.alpha.- hydroxy-6.alpha.-methylpregn-4-ene-3,20-dione 17-acetate (Formula (I)) to 11.beta.,17.alpha.,21-trihydroxy-6.alpha.-methylpregna-1,4-diene-3,20-dione 21- acetate (Formula (VI))..
Nouveau procédé de transformation de 17-acétate de 17.alpha.-hydroxy-6.alpha.-méthylprégn-4-ène-3,20-dione (I) en 21-acétate de 11.beta.,17.alpha.,21-trihydroxy-6.alpha.-méthylprégna-1,4-diène-3,20-dione (VI).
Gilbert Ivan G.
Pearlman Bruce Allen
White Michael J.
Macrae & Co.
Pharmacia & Upjohn Company
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