Preparation process of novel derivatives of 3-keto delta 4,9...

C - Chemistry – Metallurgy – 07 – J

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C07J 1/00 (2006.01) C07J 7/00 (2006.01) C07J 17/00 (2006.01) C07J 21/00 (2006.01) C07J 31/00 (2006.01) C07J 33/00 (2006.01) C07J 41/00 (2006.01) C07J 51/00 (2006.01) C07J 71/00 (2006.01)

Patent

CA 1206471

RECIS DE LA DIVULGATION: L'invention concerne la préparation de produits de formule générale I: (I) Image dans laquelle: R1 - thiényle ou phényle éventuellement substitués, furyle, cycloalkyle, naphtyle, phényl-phényle, alkyle ou alkényle; R2 = méthyle ou éthyle; R3 = H, OH, alkyle, alkényle, alkynyle éventuellement substitué, acétyle, hydroxyacétyle, carboxyalkoxy éventuellement estérifié ou salifié, hydroxy- alkyle éventuellement estérifié; R4 = H, OH, alkyle, alkényle, alkynyle éventuellement substitué par amino, alkyl ou dialkyl amino, halogène, thioalkyle, alkoxy, trialkylsilyl ou cyano; R5 = H ou méthyle; X = O, hydroxyimino ou alkoxyimino; A et B = .alpha.-époxyde ou seconde liaison. Les produits I sont utiles comme médicaments, en particulier en raison de leurs remar- quables activités antiglucocorticoïde, progestomimétique ou anti-progestomimétique, androgène ou anti-androgène.

422503

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