1,2-Benzopyran-6-yl acetic acid compound and pharmaceutical comp

Details 1,2-Benzopyran-6-yl acetic acid compound and pharmaceutical comp 1,2-Benzopyran-6-yl acetic acid compound and pharmaceutical comp

1982-07-20

1985-10-08

Chan, Nicky

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

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

549398, 549404, 549405, 549408, 549 60, 549 79, 560 55, 562452, A61K 3135, C07D31170

Patent

active

045459932

ABSTRACT:
Heterocyclic compounds comprising the formula (I): ##STR1## wherein: R.sub.1, R.sub.2, R.sub.4 and R.sub.5 each are hydrogen or a lower alkyl group;

REFERENCES:
Stabilimenti, Chem. Abstr., 88, 6721z (1978).
Maillard et al., Eur. J. Med. Chem.-Chem. Ther., 12, 161 (1977).
Birch et al., Chem. Abstr., 68, 21785d (1968).

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