3(2H)pyridazinones for antagonistic agent against srs-a

Details 3(2H)pyridazinones for antagonistic agent against srs-a 3(2H)pyridazinones for antagonistic agent against srs-a

1989-12-04

1991-04-30

Lee, Mary C.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

544238, 544239, 544240, 544241, 514252, 514253, A61K 3150, C07D40100

Patent

active

050118390

ABSTRACT:
A 3(2H)pyridazinone of the formula: ##STR1## wherein R.sub.1 is hydrogen, 2-propenyl, or straight chained or branched C.sub.1 -C.sub.4 alkyl; each of R.sub.2 and R.sub.3 which may be the same or different, is hydrogen, or straight chained or branched C.sub.1 -C.sub.3 alkyl; X is chlorine, or bromine; Y is hydrogen, halogen, nitro, amino, or --AR.sub.4 wherein A is oxygen, or sulfur, and R.sub.4 is hydroen, straight chained, branched or cyclic C.sub.1 -C.sub.8 alkyl, ##STR2## wherein R.sub.5 is hydrogen, or straight chained or branched C.sub.1 -C.sub.4 alkyl; and Ar is ##STR3## wherein each Z.sub.1 and Z.sub.2 which may be the same or different, is hydrogen, halogen, straight or branched C.sub.1 -C.sub.4 alkyl, or --OR.sub.6 wherein R.sub.6 is straight or branched C.sub.1 -C.sub.4 alkyl, and B is oxygen, sulfur, or --N.dbd.C-- (to form a quinoline or pyridine ring); or a pharamaceutically acceptable salt thereof.

REFERENCES:
patent: 4888423 (1989-12-01), Odarisio

Affiliated with

Also associated with

Rating

3(2H)pyridazinones for antagonistic agent against srs-a does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with 3(2H)pyridazinones for antagonistic agent against srs-a, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and 3(2H)pyridazinones for antagonistic agent against srs-a will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-640544