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Title:
NOVEL PYRANOQUINOLINE DERIVATIVE AND METHOD FOR ITS PRODUCTION AND COMPOSITION CONTAINING SAME
Document Type and Number:
Japanese Patent JPS53137969
Kind Code:
A
Abstract:
DIOXOPYRANOQUINOLINE DICARBOXYLIC ACID DERIVATIVES There are described compounds of formula I I in which an adjacent pair of R5, R6, R7 and R8 form a chain -COCH=CE-O-, and the remainder of R5, R6, R7 and R8, which may be the same or different, each represent hydrogen, hydroxy, alkyl, halogen, alkenyl, alkoxy, or -NR1R2 in which R1 and R2, which are the same or different, are each hydrogen or alkyl, Rg is hydrogen, alkyl, alkenyl or phenyl-alkyl, and E is -COOH, a 5-tetrazolyl group or an (N-tetra-5-yl) carboxamido group, and phrmaceutically acceptable derivatives thereof. There are also described processes for making the compounds and pharmaceutical, e.g. anti-allergic, compositions containing the compounds.

Inventors:
HIYUGU KEAANZU
DEEBITSUDO KOTSUKUSU
Application Number:
JP5240778A
Publication Date:
December 01, 1978
Filing Date:
May 02, 1978
Export Citation:
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Assignee:
FISONS LTD
International Classes:
A61K31/435; A61K31/47; A61P11/00; A61P27/16; A61P37/08; C07D215/48; C07D311/24; C07D491/04; C07D491/052; (IPC1-7): A61K31/47; C07D215/22



 
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