Substituted 11-oxo-11H-pyrido[2,1-b]quinazolines and method of i

Details Substituted 11-oxo-11H-pyrido[2,1-b]quinazolines and method of i Substituted 11-oxo-11H-pyrido[2,1-b]quinazolines and method of i

1980-05-02

1982-09-07

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...

544252, A61K 31505, C07D47104

Patent

active

043483968

ABSTRACT:
Pyrido[2,1-b]quinazolines of the formulas ##STR1## wherein R.sub.1, R.sub.1 ', R.sub.2, R.sub.2 ', R.sub.3, R.sub.3 ', R.sub.4 and R.sub.10 are as hereinafter set forth, and processes for the preparation thereof, are described. The compounds of formulas I and II are useful as agents in the prevention of allergic reactions.

REFERENCES:
patent: 3966965 (1976-06-01), Sellstedt et al.
patent: 3982000 (1976-09-01), Hardtmann
patent: 4012387 (1977-03-01), Schwender et al.
patent: 4033961 (1977-07-01), Schwender et al.
patent: 4066767 (1978-01-01), Schwender et al.
patent: 4083980 (1978-04-01), Schromm et al.
patent: 4104389 (1978-08-01), Schwender et al.
patent: 4220771 (1980-09-01), Hermecz et al.

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