Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Cyclopentanohydrophenanthrene ring system doai
Patent
1995-06-22
1999-03-30
Berch, Mark L.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Cyclopentanohydrophenanthrene ring system doai
540 70, C07J 7100, A61K 3158
Patent
active
058889957
ABSTRACT:
The invention concerns compounds of formula I ##STR1## in which R.sub.1 is hydrogen or a straight or branched hydrocarbon chain; R.sub.2 is hydrogen or a straight or branched hydrocarbon chain; R.sub.3 is acyl; X.sub.1 is hydrogen, fluorine or chlorine; and X.sub.2 is hydrogen, fluorine or chlorine. Also disclosed are processes for preparation of the compounds, pharmaceutical compositions containing them and methods employing the compounds in the treatment of inflammatory and allergic conditions.
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Axelsson Bengt Ingemar
Brattsand Ralph Lennart
Kallstrom Leif Arne
Thalen Bror Arne
Astra Aktiebolag
Berch Mark L.
Kifle Bruck
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