Pharmaceutical preparations containing flavanone or thioflavanone derivatives the use thereof, novel flavanones and thioflavanones, and processes for their manufacture
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Dec 5, 1989
Issued Date -
N/A
app pub date -
Aug 2, 1988
filing date -
Aug 31, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to pharmaceutical preparations containing compounds of formula I ##STR1## in which X represents unsubstituted or substituted amino or a quaternary ammonium salt; halogen, free, etherified or esterified hydroxy; free, etherified, esterified or oxidized mercapto; free or functionally modified carboxyl, free or functionally modified sulfo; acyl; nitro; an unsubstituted or substituted hydrocarbon radical or an unsubstituted or substituted heterocyclic radical, Y represents oxygen, sulfur, sulfinyl or sulfonyl but must be oxygen, sulfinyl or sulfonyl, if X is 1H-imidazol-1-yl, and rings A and B are each unsubstituted or substituted; or pharmaceutically acceptable salts of such compounds that contain a salt-forming group, and to novel compounds of formula I. The compounds are useful e.g. for the treatment of diseases of the respiratory tract and of liver diseases. They are prepared by methods known per se.
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