2-aryl pyrazolo[4,3-c]cinnolin-3-ones

Details 2-aryl pyrazolo[4,3-c]cinnolin-3-ones 2-aryl pyrazolo[4,3-c]cinnolin-3-ones

1985-01-16

1986-05-27

Daus, Donald G.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

544234, 544235, A61K 3150, C07D48702

Patent

active

045915890

ABSTRACT:
Novel pyrazolo[4,3-c]cinnolin-3-one derivatives of the formula ##STR1## wherein R may be in the 7- or 8-position and is selected from the group consisting of hydrogen, halogen, alkyl and alkoxy of 1 to 5 carbon atoms, --NO.sub.2 and --CF.sub.3 and R' is hydrogen or R and R' taken together form an alkylenedioxy of 1 to 4 carbon atoms at the 7- or 8-positions and R.sub.1 is selected from the group consisting of phenyl, pyridyl, thiazolyl, dihydrothiazolyl and thienyl, all optionally substituted with at least one member of the group consisting of alkyl and alkoxy of 1 to 5 carbon atoms, halogen, mono-, di- and tri- halomethyl and aralkoxy of 7 to 12 carbon atoms and their non-toxic, pharmaceutically acceptable acid addition salts having anxiolytic properties and novel intermediates therefore.

REFERENCES:
patent: 4230705 (1980-10-01), Allen, Jr. et al.
patent: 4260755 (1981-04-01), Moran et al.
patent: 4312870 (1982-01-01), Yokoyama
patent: 4464372 (1984-08-01), Bristol et al.
patent: 4524146 (1985-06-01), Yokoyama

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