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US 5,846,989 AGranted
Benzothiazolone derivatives
AssigneeAstra Pharmaceuticals Limited
InventorsRoger Victor Bonnert, Roger Charles Brown, Peter Alan Cage, Francis Ince, Garry Pairaudeau
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Abstract
A compound of formula I, including optical isomers thereof, ##STR1## wherein X represents --SO.sub.2 NH-- or --NHSO.sub.2 --, p, q and r independently represent 2 or 3, Y represents thienyl optionally substituted by alkyl or halogen, or phenylthio- or phenyl optionally substituted by alkyl or halogen, and each R independently represents H or alkyl, and pharmaceutically acceptable salts, esters and amides thereof.
Claims14
A compound of formula I, including optical isomers thereof, ##STR11## wherein X represents --SO.sub.2 NH-- or --NHSO.sub.2 --,
- p, q and r independently represent 2 or 3,
- Y represents thienyl optionally substituted by C.sub.1 -C.sub.6 alkyl or halogen, or phenylthio- or phenyl optionally substituted by C.sub.1 -C.sub.6 alkyl or halogen, and
- each R independently represents H or C.sub.1 -C.sub.6 alkyl, and pharmaceutically acceptable salts thereof.
Dependencies are inferred from the claim text.