Pyridazine 3,5-dihydroxy carboxylic acids and derivatives thereo

Details Pyridazine 3,5-dihydroxy carboxylic acids and derivatives thereo Pyridazine 3,5-dihydroxy carboxylic acids and derivatives thereo

1989-01-06

1990-08-07

Daus, Donald G.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

514252, 544224, 544238, A61K 3150, C07D23706

Patent

active

049468413

ABSTRACT:
New 3,5-dihydroxy carboxylic acids and derivatives thereof, a process for the preparation thereof, the use thereof as pharmaceuticals, pharmaceutical products and intermediates 3,5-Dihydroxy carboxylic acids and derivatives thereof, of the formula I ##STR1## and the corresponding Lactones of the formula II ##STR2## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and X-Y have the indicated meanings, a process for the preparation of these compounds, the use thereof as pharmaceuticals, and pharmaceutical products are described. In addition, new intermediates for the preparation of the compounds of the formulae I and II are described.

REFERENCES:
patent: 4248873 (1981-02-01), Bossert
patent: 4375475 (1983-03-01), Willard
patent: 4540796 (1985-09-01), Prugh
patent: 4613610 (1986-09-01), Wareing
patent: 4647576 (1987-03-01), Hoefle
patent: 4735958 (1988-04-01), Roth
patent: 4761419 (1988-08-01), Picard
M. R. Boots et al., J. Pharm. Sci., vol. 69, No. 5 (1980), pp. 506-509.
F. M. Singer et al., Proc. Soc. Exper. Biol. Med., vol. 102 (1959), pp. 370-373.
H. Ferres et al., Tetrahedron letters, vol. 24, pp. 3769-3772 (1983).

Affiliated with

Also associated with

Rating

Pyridazine 3,5-dihydroxy carboxylic acids and derivatives thereo does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pyridazine 3,5-dihydroxy carboxylic acids and derivatives thereo, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pyridazine 3,5-dihydroxy carboxylic acids and derivatives thereo will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-960781