Global Patent Index - EP 0000153 A1

EP 0000153 A1 19790110 - 4-Hydroxy-2-quinolinone-3-carboxylic acids, their preparation and pharmaceutical compositions containing them.

Title (en)

4-Hydroxy-2-quinolinone-3-carboxylic acids, their preparation and pharmaceutical compositions containing them.

Title (de)

-4-Hydroxy-2-Chinolinon-3-Carbonsaüren, ihre Herstellung und ihre pharmazeutische Präparate.

Title (fr)

Acides 4-hydroxy-2-quinolinone-3-carboxyliques, leur préparation et leurs compositions pharmaceutiques.

Publication

EP 0000153 A1 19790110 (EN)

Application

EP 78100168 A 19780615

Priority

US 80791477 A 19770620

Abstract (en)

Pharmaceutical compositions comprising 4-hydroxy-2-quinolinone-3- carboxylic acids and their salts, and certain compounds of this class, for example 1-allyl-6,7-dimethoxy-4-hydroxy -2-quinolinone-3- carboxylic acid, of the formula <CHEM> <??>They may be prepared by hydrolysis of the corresponding alkyl esters. <??>The compounds are useful in the prophylactic treatment of allergic asthma.

IPC 1-7

C07D 215/56; A61K 31/47

IPC 8 full level

A61K 31/47 (2006.01); A61P 43/00 (2006.01); C07D 215/56 (2006.01)

CPC (source: EP US)

A61P 43/00 (2018.01 - EP); C07D 215/56 (2013.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

BE CH DE FR GB LU NL SE

DOCDB simple family (publication)

EP 0000153 A1 19790110; AT 367403 B 19820712; AT A443078 A 19811115; AU 3725178 A 19800103; AU 521418 B2 19820401; CA 1105462 A 19810721; DK 262678 A 19781221; ES 470916 A1 19791001; FI 781885 A 19781221; IL 54949 A0 19780831; IL 54949 A 19820430; IT 7849938 A0 19780619; JP S5495578 A 19790728; NZ 187618 A 19810211; PT 68192 A 19780701; PT 68192 B 19810611; US 4187309 A 19800205; ZA 783515 B 19800227

DOCDB simple family (application)

EP 78100168 A 19780615; AT 443078 A 19780619; AU 3725178 A 19780619; CA 305757 A 19780619; DK 262678 A 19780612; ES 470916 A 19780619; FI 781885 A 19780613; IL 5494978 A 19780619; IT 4993878 A 19780619; JP 7332878 A 19780619; NZ 18761878 A 19780619; PT 6819278 A 19780619; US 80791477 A 19770620; ZA 783515 A 19780620