Unsaturated esters of 4-hydroxy-2-quinolinone-3-carboxylic acids

Details Unsaturated esters of 4-hydroxy-2-quinolinone-3-carboxylic acids Unsaturated esters of 4-hydroxy-2-quinolinone-3-carboxylic acids

1977-07-06

1978-10-10

Daus, Donald G.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Bacterium or component thereof or substance produced by said...

260287AN, 260287K, A61K 3147, G07D21522

Patent

active

041197208

ABSTRACT:
Disclosed are compounds which are unsaturated esters of 4-hydroxy-2-quinolinone-3-carboxylic acids, e.g., 1-allyl-6,7-dimethoxy-4-hydroxy-2-quinolinone-3-carboxylic acid allyl ester, useful as anti-allergic agents, and prepared by reacting an isatoic anhydride with an alkali metal salt of a malonic acid unsaturated ester.

REFERENCES:
patent: 3960868 (1976-06-01), Ferrini et al.

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