Anti-allergic n-(5-tetrazolyl)-1-oxo-1h-6-alkox-ypyrimido...

Details Anti-allergic n-(5-tetrazolyl)-1-oxo-1h-6-alkox-ypyrimido... Anti-allergic n-(5-tetrazolyl)-1-oxo-1h-6-alkox-ypyrimido...

C - Chemistry, Metallurgy

07

D

260/242.01

C07D 471/04 (2006.01)

Patent

CA 1060441

ABSTRACT OF THE DISCLOSURE A novel series of N-(5-tetrazolyl)-1-oxo-1H-6-alkoxy- pyrimido[1,2-a]-quinoline-2-carboxamides of the formula Image wherein each of R1 and R2 is hydrogen, lower alkyl, lower alkoxy, fluoro or chloro; R3 is chloro, bormo or lower alkoxy; R1 and R2 when taken together are alkylenedioxy of one to two carbon atoms; intermediates therefor and the pharmaceutically-acceptable cationic salts thereof; and their use as anti-allergy agents.

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