Quinazolinone derivatives, processes for the preparation thereof

Details Quinazolinone derivatives, processes for the preparation thereof Quinazolinone derivatives, processes for the preparation thereof

1986-06-02

1987-11-10

Hoke, Veronica P.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

544285, A61K 31445, C07D45506

Patent

active

047057874

ABSTRACT:
Anti-allergic quinazolinone derivatives are disclosed which have the formula ##STR1## wherein R.sup.3 is hydrogen or lower alkyl and A is lower alkylene.

REFERENCES:
patent: 3274194 (1966-09-01), Elkhart
patent: 3879393 (1975-04-01), Havera
patent: 4199582 (1980-04-01), Oka et al.
patent: 4335127 (1982-06-01), Vandenberk et al.
patent: 4405623 (1983-09-01), Ishikawa et al.
patent: 4430343 (1984-02-01), Iemura et al.
patent: 4578465 (1984-04-01), Nagano et al.

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