Benzopyran derivatives and pharmaceutical compositions containin

Details Benzopyran derivatives and pharmaceutical compositions containin Benzopyran derivatives and pharmaceutical compositions containin

1989-03-22

1990-12-11

Hollrah, Glennon H.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

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

514318, 514320, 514321, 546194, 546196, 546197, 546201, 544364, 544393, 544376, 544377, A61K 31495, C07D40506

Patent

active

049771663

ABSTRACT:
New benzopyran derivatives of formula: ##STR1## in which R.sub.1 is hydrogen, halogen, hydroxy, alkoxy, nitro, amino, alkylsulphonamido, bis(alkylsulphonyl) amino or acylamino,

REFERENCES:
patent: 4181722 (1980-01-01), Beranger et al.
patent: 4563458 (1986-01-01), Widding et al.
patent: 4659737 (1987-04-01), Kabbe et al.
patent: 4803203 (1989-02-01), Caprathe et al.

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