Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...
Patent
1980-01-21
1981-02-10
Berch, Mark L.
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Bacterium or component thereof or substance produced by said...
544233, 544234, A61K 31505, C07D48704
Patent
active
042501776
ABSTRACT:
The invention relates to substituted 10-oxo-10H-pyridazino(6,1-b)quinazoline-2-carboxylic acids having the formula: ##STR1## wherein R.sub.1 is hydrogen, halogen; R.sub.2 is hydrogen, lower alkyl containing one to three carbon atoms, or wherein R.sub.1 and R.sub.2 taken together with the carbon atoms to which they are attached in a benzo ring, and the pharmaceutically acceptable salts thereof. These compounds are useful as anti-allergic agents.
REFERENCES:
Beyer et al., I, Chem. Abs. 60, 9276g (1934).
Yanai et al., I, Chem. Abs. 63, 5638c (1965).
Beyer et al., II, Chem. Abs. 56, 5955c (1961).
Arya et al., Ind. J. Chem. 14B, 879-882 (1976).
Ghelardoni et al., Ann. d: Chimira 64, 445-453 (1974).
Chem. Abs., 8th Coll. Index, p. 264445.
Yanai et al., II, Chem. Abs. 70, 4034y (1968).
Schwender Charles F.
Sunday Brooks R.
Berch Mark L.
Graddis Albert
Patton Walter
Raines Stephen
Warner-Lambert & Company
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