Quinoline derivatives and their use as anti-asthmatic agents

Details Quinoline derivatives and their use as anti-asthmatic agents Quinoline derivatives and their use as anti-asthmatic agents

1985-01-28

1987-10-06

Ford, John M.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

514411, 546 62, 546 89, 548430, 548431, A61K 31395, C07D491052

Patent

active

046983457

ABSTRACT:
There are provided benzopyrans of formula I, ##STR1## wherein the substituents, R.sub.5 -R.sub.8 and EA are as defined in the specification. These compounds are useful as anti-asthmatic agents.

REFERENCES:
patent: 4419352 (1983-12-01), Cox et al.
Yale, Harry L., J. of Med. Chem., vol. 1, No. 2, (1959), pp. 121-131.
Goodman et al., The Pharmacological Basis of Therapeutics, 6 Ed., p. 28.

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