| 摘要 |
The present invention is concerned with 11-aryloestrane and 11-arylpregnane derivatives, characterized in that these derivatives have the following structure: <CHEM> wherein R1 is an aryl group with an -N- @ group as substituent, X and Y each being separat H or a (1- 4C) hydrocarbon radical or together a (2-6 C) hydrocarbon radical; R2 is an alkyl group containing 1-4 carbon atoms; R3 is H, OH, a saturated or unsaturated hydrocarbon radical containing 1-8 carbon atoms, at least provided with a hydroxyl, oxo, halogen, azido or nitrile group; an acyloxy or an alkoxy group; R4 is a hydroxyl, an acyloxy or an alkoxy group or an acyl group optionally provided with a hydroxyl, alkoxy, acyloxy or halogen group; or R3 and R4 together form a ring system; and R5 is a hydrocarbon group containing 1-4 carbon atoms, and further with processes for the preparation of these compounds and with pharmaceutical preparations comprising these compounds. The compounds according to the present invention exhibit antiprogestin activity. |
