4-(arylaminomethylene)-2,4-dihydro-3-pyrazolones

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

5483641, 5483701, A61K 31415, C07D23122

Patent

active

058695168

ABSTRACT:
5-Pyrazolinone derivatives of the general formula I: ##STR1## in which the R.sup.1 -R.sup.3 variables are as defined herein and the physiologically acceptable salts thereof; processes for the preparation of these compounds, and in particular their use as selective inhibitors of cGMP-specific phosphodiesterase (cGMP PDE), thus as pharmaceutically active compounds.

REFERENCES:
patent: 4355159 (1982-10-01), Iqbal et al.
patent: 4460768 (1984-07-01), Iqbal et al.
patent: 4880804 (1989-11-01), Carini et al.
patent: 4909827 (1990-03-01), Gehring et al.
patent: 5028717 (1991-07-01), Gehring et al.
patent: 5162528 (1992-11-01), Gehring et al.
Wolfbeis, Ein effiziente Synthese . . . , Monatshefte fur Chemie, Bd. 112, pp. 369-383, 1981.
Nardi et al., "Pyrazolin-5-one and . . . ", Arzneimittel-Forschung, Bd. 19, No, 10, pp. 1721-1723, 1969.
Freyer et al., "Syntheses von tautomeriefahigen . . . ", J. f. Prakat Chemie, Band 319, Heft 6, 1977, pp. 905-910.
Kruetzberger et al., "Entzungshemmende Wirkstoffe, 10.Mitt.", Archiv der Pharmazie, Band 319, Heft 10, pp. 865-871, Oct. 1986.
Rockley, JE and Summers, LA, Structure of Chem., 34: 1117-24, 1981.
Keats et al., Mass Spectral Fragmentation Pattern of 2-Methyl and 2-Phenyl Derivatives. J. Heterocyclic Chem., 19: 55-59, 1982.
Wolfbeis, "Eine effiziete Synthese von Aminoalkylidenederivaten . . . ". Monatshefte fur Chemie, vol. 112, pp. 369-383, 1981.

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

4-(arylaminomethylene)-2,4-dihydro-3-pyrazolones does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with 4-(arylaminomethylene)-2,4-dihydro-3-pyrazolones, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and 4-(arylaminomethylene)-2,4-dihydro-3-pyrazolones will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1948693

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