Process for the preparation of...

Details Process for the preparation of... Process for the preparation of...

C - Chemistry, Metallurgy

07

J

C07J 53/00 (2006.01)

Patent

CA 2690177

The present invention relates to a process for the preparation of 17.alpha.-(3- hydroxypropyl)- 17.beta.-hydroxysteroids of the formula (I) starting from 17-ketosteroids of the formula (III) via the intermediates of the formula (V) wherein the radicals R3, R5, R6, R7, R10, R13, R15, R16, R40, R41 and R42 have the meaning indicated in the description.

L'invention concerne un procédé de préparation de 17a-(3-hydroxypropyl)- 17ß-hydroxystéroïdes de formule (I) à partir de 17-cétostéroïdes de formule (III) comprenant l'utilisation de produits intermédiaires de formule (V), dans laquelle les radicaux R3, R5, R6, R7, R10, R13, R15, R16, R40, R41 et R42 sont spécifiés dans la description.

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