7,6 Dioxo-4H,6H-pyrano[3,2-g]quinoline dicarboxylic acids and an

Details 7,6 Dioxo-4H,6H-pyrano[3,2-g]quinoline dicarboxylic acids and an 7,6 Dioxo-4H,6H-pyrano[3,2-g]quinoline dicarboxylic acids and an

1982-02-02

1984-10-02

Hollrah, Glennon H.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

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

546 89, 546 92, A61K 3147, C07D49104

Patent

active

044747870

ABSTRACT:
There are described compounds of formula I ##STR1## in which an adjacent pair of R.sub.5, R.sub.6, R.sub.7 and R.sub.8 form a chain --COCH.dbd.CE--O--, and the remainder of R.sub.5, R.sub.6, R.sub.7 and R.sub.8, which may be the same or different, each represent hydrogen, hydroxy, alkyl, halogen, alkenyl, alkoxy, or --NR.sub.1 R.sub.2 in which R.sub.1 and R.sub.2, which are the same or different, are each hydrogen or alkyl,

REFERENCES:
patent: 3773769 (1973-11-01), Albrecht et al.
patent: 4117134 (1978-09-01), Connor et al.

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