2-(substituted phenyl)-4-oxo-quinazolines

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

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Details

544288, 544289, 564154, 564155, 564158, A61K 31505, C07D23991

Patent

active

051478757

ABSTRACT:
This invention relates to quinazolinone derivatives which have bronchodilator activity. A compound of the invention is 2-(2-propoxyphenyl)quinazolin-4(3H)-one.

REFERENCES:
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patent: 3526627 (1970-09-01), Brooks, Jr.
patent: 3651061 (1972-03-01), Ericsson et al.
patent: 4159330 (1979-06-01), Doria et al.
Koizumi et al., JP-A 52/51378 Chem. Abstr. 87:201571g (1977).
Subrahmanyam et al., "Benziosoxazolium Cations-II, Tetrahedron," 29, 3173 (1973).

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