Quinoxalines, a process for their preparation and their use
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United States of America Patent
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Mar 3, 1998
Grant Date -
N/A
app pub date -
Oct 17, 1995
filing date -
Oct 19, 1994
priority date (Note) -
Expired
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Abstract
Disclosed are quinoxalinone compounds of the formula I or Ia ##STR1## and physiologically tolerated salts and prodrugs thereof, in which n=zero, one or two; R.sup.1 =fluorine, chlorine, hydroxyl or C.sub.1 -C.sub.3 -alkoxy; R.sup.2 =C.sub.1 -C.sub.4 -alkyl which is unsubstituted or is substituted by hydroxyl, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -alkylthio; R.sup.3 =C.sub.1 -C.sub.6 -alkyloxycarbonyl or C.sub.2 -C.sub.6 -alkenyloxycarbonyl, and X=oxygen, sulfur or selenium, a process for their preparation and pharmaceutical compositions containing the compounds.
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