Anti-allergic N-(5-tetrazolyl)-1-oxo-1H-6-alkoxypyrimido-[1,2-a]

Details Anti-allergic N-(5-tetrazolyl)-1-oxo-1H-6-alkoxypyrimido-[1,2-a] Anti-allergic N-(5-tetrazolyl)-1-oxo-1H-6-alkoxypyrimido-[1,2-a]

1976-05-24

1977-04-12

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...

2602564F, C07D40114

Patent

active

040176258

ABSTRACT:
A novel series of N-(5-tetrazolyl)-1-oxo-1H-6-alkoxypyrimido[1,2-a]quinoline-2-carboxamides of the formula ##STR1## wherein each of R.sub.1 and R.sub.2 is hydrogen, lower alkyl, lower alkoxy, fluoro or chloro; R.sub.3 is chloro, bromo or lower alkoxy; R.sub.1 and R.sub.2 when taken together are alky lenedioxy of one to two carbon atoms; intermediates therefor and the pharmaceutically-acceptable cationic salts thereof; and their use as anti-allergy agents.

REFERENCES:
patent: 3743733 (1973-07-01), Houlihan
patent: 3792050 (1974-02-01), Hodson et al.
patent: 3925384 (1975-12-01), Krapcho et al.

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