Aromatase inhibitors

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Cyclopentanohydrophenanthrene ring system doai

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514177, 514169, 552638, 552641, 552642, 552505, 540114, 549555, C07J 100, C07J 1300, A61K 31565

Patent

active

052273750

ABSTRACT:
Novel aromatase inhibitors are disclosed for use in therapeutic preparations for treatment of estrogen-dependent diseases. The compounds are specified 7.alpha.-substituted androstanedione and androstenedione derivatives which show a strong inhibitory activity towards aromatase. The invention includes synthesis and pharmaceutical compositions of said compounds.

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