2,4-[1H,3H,5H]-(1)-Benzopyrano-[2,3-d]-pyrimidinediones and thei

Details 2,4-[1H,3H,5H]-(1)-Benzopyrano-[2,3-d]-pyrimidinediones and thei 2,4-[1H,3H,5H]-(1)-Benzopyrano-[2,3-d]-pyrimidinediones and thei

1979-07-27

1981-06-09

Sutto, Anton H.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Bacterium or component thereof or substance produced by said...

424251, 544115, 544250, 544302, 560 82, A61K 31505, C07D491052

Patent

active

042725356

ABSTRACT:
Novel 2,4-(1H,3H,5H)-(1)benzopyrano-(2,3-d)-pyrimidinediones of the formula ##STR1## and their pharmaceutically acceptable salts are useful in the treatment of such diseases as asthma, allergic rhinitis, urticaria and ulcerative colitis.

REFERENCES:
patent: 3577420 (1971-05-01), Hess et al.
patent: 4013646 (1977-03-01), Hardtmann
patent: 4052398 (1977-10-01), Kast et al.
Schulte, et al., Arch. Pharm. Ber. Deut. Pharm. Ges. (1972), 305(5), 354-359.
Posner, Organic Reactions, vol. 19, John Wiley & Sons, (1972) pp. 3-4, 78-87.

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