3- or 4-glycosyloxybenzopyran derivative and antiallergic agent

Details 3- or 4-glycosyloxybenzopyran derivative and antiallergic agent 3- or 4-glycosyloxybenzopyran derivative and antiallergic agent

1994-09-26

1996-06-11

Robinson, Douglas W.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Carbohydrate doai

514 25, 514826, 514829, 514885, 514455, 514457, 536 11, 536 41, 536 181, A61K 3170

Patent

active

055255957

ABSTRACT:
There are provided novel compounds of the formulae I and II: ##STR1## and their physiologically acceptable salts. The compounds according to the present invention and their physiologically acceptable salts exhibit an antiallergic activity and are useful for treating allergic diseases.

REFERENCES:
patent: 4845121 (1989-04-01), Witiak et al.
Synthetic aci-Reductones: 3,4-Dihydroxy-2H-1-benzopyran-2-ones and Their cis- and trans-4a,5,6,7,8,8a-Hexahydro Diastereomers. Antiaggregatory, Antilipidemic, and Redox Properties Compared to Those of the 4-Substituted 2-Hydroxytetronic Acids--Donald T. Witiak, et al--American Chemical Society 1988, pp. 1437-1445.

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