Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1990-04-27
1991-08-27
Brust, Joseph Paul
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
546269, 546274, 549546, C07D30334, C07D33102
Patent
active
050434560
ABSTRACT:
There are provided compounds of the formula: ##STR1## wherein R.sub.1 is a hydrogen or C.sub.1 -C.sub.5 alkyl; R.sub.2 is an C.sub.1 -C.sub.10 alkyl, aryl, aralkyl, or pyridyl, where the aryl, aralkyl, or pyridyl are unsubstituted or are substituted by C.sub.1 -C.sub.5 alkyl, C.sub.1 -C.sub.5 alkoxy, nitro, hydroxy, carboxy, amino, C.sub.1 -C.sub.5 alkylamino, C.sub.1 -C.sub.5 dialkyamino whose two alkyl groups may be different from each other, C.sub.2 -C.sub.3 alkanoylamino, or halogen and X is an C.sub.1 -C.sub.7 alkylene, C.sub.2 -C.sub.7 alkenylene, --CH(F)CH.dbd.CH(CH.sub.2).sub.3 --, --(CH.sub.2).sub.3 --S--(CH.sub.2).sub.2 --, --(CH.sub.2).sub.2 --S--(CH.sub.2).sub.3 --, --C.sub.6 H.sub.4 -O--CH.sub.2 -- or --CH.sub.2 CH.dbd.CH--m--C.sub.6 H.sub.4 --, or their pharmaceutically accepatble salts. The compounds are useful as antithrombotic, anti-vasconstricting and anti-bronchoconstricting drugs.
REFERENCES:
patent: 4654357 (1987-03-01), Nakane
patent: 4861913 (1989-08-01), Narisada et al.
Haga Nobuhiro
Kamata Susumu
Kawada Kenji
Ohtani Mitsuaki
Tsuri Tatsuo
Brust Joseph Paul
Shionogi & Co. Ltd.
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