Androst-4-ene-3,17-diones and process for their preparation

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

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2603973, C07J 5300, C07J 7500, C07D 31705, C07D 31565

Patent

active

048409430

ABSTRACT:
The present invention relates to new 6-substituted 1.2.beta.methylenandrost-4-ene-3,17-diones of the following general formula: ##STR1## wherein one of R.sub.1 and R.sub.2 is hydrogen and the other is halogen, amino or azido, or R.sub.1 and R.sub.2, taken together, form a .dbd.CH.sub.2 or .dbd.O group, and, when one of R.sub.1 and R.sub.2 is amino, the pharmaceutically acceptable salts thereof.
The compounds of the invention are useful in therapy, in particular as anti-cancer agents.

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