Disubstituted xanthone-2-carboxylic acid antiallergy agents

Drug – bio-affecting and body treating compositions – Nonspecific immunoeffector – per se ; or nonspecific... – Lipid or oil

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Details

260335, C07D31186, A61K 3135

Patent

active

042173612

ABSTRACT:
Compositions containing and methods employing, as the essential ingredient, novel substituted xanthone-2-carboxylic acid compounds which are useful in the treatment of allergic conditions. Methods for preparing these compounds and compositions and intermediates therein are also disclosed.

REFERENCES:
patent: 3706768 (1972-12-01), Bays
patent: 3886181 (1975-05-01), Pfister et al.
patent: 3963752 (1976-06-01), Pfister et al.
patent: 3963753 (1976-06-01), Pfister et al.
patent: 3988352 (1976-10-01), Pfister et al.

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