Inventors:
David R. Herbst - Wayne PA
Madelene M. Antane - Lawrenceville NJ
Geraldine R. McFarlane - Monmouth Junction NJ
Eric G. Gundersen - Plainsboro NJ
Bradford H. Hirth - Littleton MA
Dominick A. Quagliato - Bridgewater NJ
Russell F. Graceffa - Plainsboro NJ
John A. Butera - Clarksburg NJ
Assignee:
American Home Products Corporation - Madison NJ
International Classification:
A61K 31135
A61K 31165
C07C22520
C07C23582
Abstract:
The compounds of the formula: ##STR1## wherein R. sub. 1 is straight chain alkyl, branched chain alkyl cycloalkyl, hydroxyalkyl, fluoroalkyl or polyfluoroalkyl; R. sub. 2 and R. sub. 3 are, independently, hydrogen or an acyl substituent selected from the group consisting of formyl, alkanoyl, alkenoyl, alkoxycarbonyl, alkylsulfonyl, aroyl, arylalkenoyl, arylsulfonyl, arylalkanoyl or arylalkylsulfonyl; A is a substituted phenyl group of the following formula: ##STR2## wherein R. sub. 4 and R. sub. 5 are, independently, cyano, nitro, amino, alkyl, perfluoroalkyl, fluoroalkyl, alkoxy, perfluoroalkoxy, fluoroalkoxy, amino, alkylamino, dialkylamino, sulfamyl, alkylsulfonamido, arylsulfonamido, carbamoyl, alkylcarbamoyl, dialkylcarbamoyl, alkylcarboxamido, arylcarboxamido, alkylsulfonyl, perfluoroalkylsulfonyl, arylsulfonyl, chloro, bromo, fluoro, iodo, 1-imidazolyl, carboxyl or hydrogen, with the proviso that R. sub. 4 and R. sub. 5 cannot both be hydrogen; or a pharmaceutically acceptable salt thereof, relaxes smooth muscles.