3-(Tetrazol-5-yl), 4-methyl-8-alkoxy coumarins and anti-allergic

Details 3-(Tetrazol-5-yl), 4-methyl-8-alkoxy coumarins and anti-allergic 3-(Tetrazol-5-yl), 4-methyl-8-alkoxy coumarins and anti-allergic

1979-11-15

1982-12-14

Springer, D. B.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Parasitic organism or component thereof or substance...

548253, A61K 3141, C07D25706

Patent

active

043638120

ABSTRACT:
Coumarin derivatives of the general formula: ##STR1## wherein R is hydrogen atom, an alkyl group or an alkenyl group, R.sup.1 is hydrogen atom, an alkyl group, an alkenyl group or an alkoxy group, and the OR and R.sup.1 groups each are substituted at any of the 5, 6, 7 and 8 positions of the coumarin ring, and the salt thereof. The compounds are useful as antiallergic agent for preventing and treating allergic diseases.

REFERENCES:
patent: 2683720 (1954-07-01), Schlesinger et al.
patent: 2977372 (1962-03-01), Finnegan et al.
patent: 3636004 (1972-01-01), Bode et al.
patent: 3706768 (1972-12-01), Bays
patent: 4059704 (1977-11-01), Buckle et al.
patent: 4116971 (1978-09-01), von Strandtmann et al.

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