Process for producing...

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C - Chemistry, Metallurgy

07

J

C07J 7/00 (2006.01) C07J 1/00 (2006.01) C07J 9/00 (2006.01) C07J 13/00 (2006.01) C07J 75/00 (2006.01)

Patent

CA 2365083

The invention relates to a method for representing compounds of the general formula (1). The invention further relates to the hitherto unknown compounds of general formulas (5, 6 and 7) in the form of intermediate products and to the use of 4,4-dimethyl-3.beta. hydroxypregna-8,14-diene- 21-carboxylic acid esters of the general formula (1) for producing 4,4- dimethyl-5.agr.-cholesta- 8,14,24-triene-3.beta.-ol (2).

L'invention concerne un procédé permettant de produire des composés de formule générale (1); des composés jusqu'ici inconnus, de formules générales 5, 6 et 7, servant de produits intermédiaires; et l'utilisation d'esters de l'acide 4,4-diméthyl-3 beta -hydroxyprégna-18,14-diène-21-carboxylique, de formule générale (1), pour la production de 4,4-diméthyl-5 alpha -cholesta-18,14,24-triène-3 beta -ol (2).

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