C - Chemistry – Metallurgy – 07 – J
Patent
C - Chemistry, Metallurgy
07
J
C07J 3/00 (2006.01) A61P 29/00 (2006.01) C07J 31/00 (2006.01) C07J 71/00 (2006.01) C07J 75/00 (2006.01)
Patent
CA 2480629
The process for the preparation of 6.alpha.-fluoro steroids, comprising the reaction of the corresponding 6.beta.-fluoro steroids, or of 6.alpha./6.beta. isomeric mixtures with an organic base having a diazo iminic group, in a suitably selected organic solvent, is described.
L'invention concerne un procédé de préparation de 6?-fluoro stéroïdes consistant à faire réagir les 6?-fluoro stéroïdes correspondants ou des mélanges isomères 6?/6? avec une base organique possédant un groupe diazo iminique, dans un solvant organique sélectionné de manière appropriée.
Cainelli Gianfranco
Contento Michele
Da Col Marco
Sandri Sergio
Umani-Ronchi Achille
Farmabios S.p.a.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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