Method of use of, and compositions containing, disubstituted xan

Details Method of use of, and compositions containing, disubstituted xan Method of use of, and compositions containing, disubstituted xan

1975-01-20

1976-04-20

Drezin, Norman A.

Drug, bio-affecting and body treating compositions

Nonspecific immunoeffector, per se ; or nonspecific...

Lipid or oil

A61K 3135

Patent

active

039516180

ABSTRACT:
Compositions containing and methods employing, as the essential ingredient, novel disubstituted xanthone 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. 5-Methylthio-7-isopropoxyxanthone-2-carboxylic acid and 5,7-di-(methylthio)xanthone-2-carboxylic acid are illustrated as representative compounds.

REFERENCES:
patent: 3706768 (1972-12-01), Bays
patent: 3849565 (1974-11-01), Pfister et al.
patent: 3864493 (1975-02-01), Cairns et al.
patent: 3873714 (1975-03-01), Pfister et al.
patent: 3885038 (1975-05-01), Pfister et al.

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