4,5-dihydropyrazolo[3,4-a]acridines

Details 4,5-dihydropyrazolo[3,4-a]acridines 4,5-dihydropyrazolo[3,4-a]acridines

1992-03-09

1993-01-12

Ivy, C. Warren

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

546 64, A61K 3144, C07D47104, C07D 4706

Patent

active

051791005

ABSTRACT:
There are disclosed various compounds of the formula below, ##STR1## where the parameters R.sub.1, R.sub.2 and R.sub.3 are as defined in the specification, which compounds are useful as analgesic agents.

REFERENCES:
Boyer et al., J. Chem. Research, Synthesis of Pyrazolo[a]acridin-9(10H)-ones, 1990, pp. 350-351.

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