Quinolone inotropic agents

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

546157, 546158, A61K 3147, C07D21518, C07D21522

Patent

active

047105070

ABSTRACT:
A heterocyclic-substituted 2-quinolone compound of the formula: ##STR1## or a pharmaceutically-acceptable salt thereof, wherein "Het" is an optionally substituted 5-or 6-membered monocyclid aromatic heterocyclic group attached by a carbon atom to the 5-, 6-, 7- or 8- position of the quinolone nucleus; R, which is attached to the 5-, 6-, 7- or 8- position, is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 alkylsulphinyl, C.sub.1 -C.sub.4 alkylsulphonyl, halo, CF.sub.3, hydroxy, hydroxymethyl, or cyano; R.sup.1 is hydrogen, cyano (C.sub.1 -C.sub.4 alkoxy)carbonyl, C.sub.1 -C.sub.4 alkyl, nitro, halo, --NR.sup.3 R.sup.4 or --CONR.sup.3 R.sup.4 where each of R.sup.3 and R.sup.4 is hydrogen or C.sub.1 -C.sub.4 alkyl or R.sup.3 and R.sup.4 together with the nitrogen atom to which they are attached form a saturated 5- or 6-membered heterocyclic group optionally containing a further heteroatom or group selected from O, S and N--R.sup.5 where R.sup.5 is hydrogen or C.sub. 1 -C.sub.4 alkyl; R.sup.2 is hydrogen, C.sub.1 -C.sub.4 alkyl, or 2-hydroxyethyl; Y is hydrogen or C.sub.1 -C.sub.4 alkyl; and the dotted line between the 3- and 4- positions represents an optional bond. The compounds are inotropic agents useful as cardiac stimulants in the treatment of congestive heart failure.

REFERENCES:
patent: 3907808 (1975-09-01), Lesher
patent: 3962445 (1976-06-01), Buckle
patent: 3993656 (1976-11-01), Rooney
patent: 4258185 (1981-03-01), Nakao et al.
Tominaga, PCT/JP81/00328 (5/27/82).

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Quinolone inotropic agents does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Quinolone inotropic agents, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Quinolone inotropic agents will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1931609

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.