Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1989-08-14
1992-03-03
Ivy, C. Warren
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
514381, 546 89, 548250, C07D49106, A61K 3144
Patent
active
050933396
ABSTRACT:
Pyrano[f]quinoline derivatives of the formula (I): ##STR1## wherein R.sub.1 and R.sub.2 represent hydrogen, hydroxyl group or a group of the formula: ##STR2## wherein n represents an integer from 1 to 4, R.sub.3 and R.sub.4 represent hydrogen or a lower alkyl group, and the broken lines in the rings represent that the bond between the carbon atoms at the 1- and 2-positions and the bond between the carbon atoms at the 9- and 10-positions may be double bonds, and pharmaceutical compositions containing the derivatives. The derivatives and compositions are useful as anti-thrombotic agents, cerebral circulation improving agents, hypotensive agents, anti-angina agents, anti-asthmatic agents, anti-ulcer agents and anti-PAF agents.
REFERENCES:
Otsuka Pharm. Co., "Carbostyril Derivatives", CA 98:143287h (1983).
Takao et al., "Studies of 2-Oroquinoline . . . ", CA 103:141893a (1985).
Kasama Toshio
Mayuzumi Kiyoshi
Monden Ryuji
Tamaru Kenji
Chang Celia
Ivy C. Warren
Kodama Kabushiki Kaisha
LandOfFree
Pyrano[f]quinoline derivatives and pharmaceutical compositions c does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Pyrano[f]quinoline derivatives and pharmaceutical compositions c, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pyrano[f]quinoline derivatives and pharmaceutical compositions c will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-272361