Pyrazolo[5,1-b]quinazolin-9-(4H)-ones and anti-allergic pharmace

Details Pyrazolo[5,1-b]quinazolin-9-(4H)-ones and anti-allergic pharmace Pyrazolo[5,1-b]quinazolin-9-(4H)-ones and anti-allergic pharmace

1980-01-11

1981-04-14

Daus, Donald G.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

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

544250, 562432, A61K 31505, C07D48704

Patent

active

042619963

ABSTRACT:
Certain pyrazolo[5,1-b]quinazolin-9-(4H)-ones are disclosed. These compounds prevent the allergic response in mammals. Novel alkylthioanthranilic acids, useful as intermediates, are also disclosed.

REFERENCES:
patent: 3150136 (1964-09-01), Wolfram et al.
patent: 3157655 (1964-11-01), Takamizawa et al.
patent: 3167537 (1965-01-01), Menzel et al.
patent: 3887559 (1975-06-01), Hardtmann
patent: 4017625 (1977-04-01), Kadin
patent: 4033961 (1977-07-01), Schwender et al.
patent: 4112098 (1978-09-01), Vogt
Menzel et al., Chemical Abstracts, vol. 56, 4904g (1962).

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