14.beta., 16,17-methylene steroids as novel androgens

Details 14.beta., 16,17-methylene steroids as novel androgens 14.beta., 16,17-methylene steroids as novel androgens

C - Chemistry, Metallurgy

07

J

C07J 53/00 (2006.01) A61K 31/56 (2006.01) A61P 5/36 (2006.01)

Patent

CA 2431355

Disclosed are androgenic steroids of the (14.beta., 17.alpha.)-17- (hydroxymethyl) type. The invention relates to an improvement hereof, which is based on the presence of a .beta.-oriented, annellated cyclopropyl group which includes carbon atoms 16 and 17 of the steroid skeleton, i.e. a 16,17 .beta.- methylene moiety. These steroids show an unexpectedly high androgenic potency.

L'invention concerne des stéroïdes androgéniques du type (14.beta.,17.alpha.)-17-(hydroxyméthyle). La structure est améliorée grâce à la présence d'un groupe cyclopropyle annelé, à orientation .beta., qui comprend les atomes de carbone 16 et 17 du squelette stéroïde, à savoir une fraction 16,17 .beta.-méthylène. Ce genre de stéroïde présente un potentiel androgénique étonnamment élevé.

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