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US 4,071,516 AGranted
4-(Acyloxyphenyl)-quinazolin-2(1H)-ones
AssigneeSandoz Ltd.
InventorHans J. Schwarz
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Abstract
Anti-inflammatories and analgesics of the formula: ##STR1## wherein R.degree. is alkyl, R is hydrogen, alkyl, halo, nitro or R"' OOC--, R' is hydrogen, alkyl or halo, R" is a hydrolyzable carboxylic acid acyl group and R"' is hydrogen or alkyl.
Claims22
A compound of the formula ##STR13## wherein R.sup.o is alkyl of 1 to 6 carbon atoms,
- R is hydrogen, fluoro, chloro, bromo, alkyl of 1 to 4 carbon atoms, nitro or --COOR"',
- R' is hydrogen, fluoro, chloro, bromo or alkyl of 1 to 4 carbon atoms,
- R" is a carboxylic acid acyl group hydrolyzable in blood by esterases therein, and
- R"' is hydrogen, alkyl of 1 to 4 carbon atoms or a pharmaceutically acceptable cation, with the proviso that R' is hydrogen or halo when R is --COOR"'.
1 more element
Dependencies are inferred from the claim text.