New derivatives of pyridazine active on the central nervous syst

Details New derivatives of pyridazine active on the central nervous syst New derivatives of pyridazine active on the central nervous syst

1984-08-07

1987-12-01

Daus, Donald G.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

544224, 544237, C07D23720, A61K 3150

Patent

active

047104996

ABSTRACT:
The present invention relates to derivatives of pyridazine of formula: ##STR1## in which R.sub.1 is alkyl or a phenyl group and R.sub.2 is H or R.sub.1 and R.sub.2 form, with the carbon atoms to which they are attached, a benzene cycle, R.sub.3 is H or phenyl and R.sub.4 is ##STR2## in which R.sub.5 is H or CH.sub.3 and R.sub.6 is H, OH, OR or OCOR; it also relates to a process for preparing the products of formula (I) and to the drugs containing at least one of said products.

REFERENCES:
patent: 4353903 (1982-10-01), Fabiani et al.

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