Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1989-11-30
1992-09-15
Ivy, C. Warren
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
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.
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Koizumi et al., JP-A 52/51378 Chem. Abstr. 87:201571g (1977).
Subrahmanyam et al., "Benziosoxazolium Cations-II, Tetrahedron," 29, 3173 (1973).
Coates William J.
Kruse Lawrence I.
Ivy C. Warren
Sanshin Kogyo Kabishiki Kaisha
Turnipseed James H.
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