Patent number: 5354763
Abstract: The compounds of the formula: ##STR1## wherein: R.sub.1 and R.sub.2 are, independently, hydrogen, straight or branched chain alkyl or mono- or bi-cyclic alkyl;A is an N-heterocycle which may be substituted by alkyl, perfluoroalkyl, alkoxy, perfluoroalkoxy, amino, alkylamino, dialkylamino, alkylsulfonamido, alkylcarboxamido, nitro, cyano or carboxyl;or, A is a substituted phenyl group containing one or two substituents selected from cyano, nitro, alkyl, perfluoroalkyl, alkoxy, perfluoroalkoxy, amino, alkylamino, dialkylamino, sulfamyl, alkylsulfonamido, arylsulfonamido, alkylcarboxamido, arylcarboxamido, alkylsulfone, perfluoroalkylsulfone, arylsulfone, chloro, bromo, fluoro, iodo, 1-imidazolyl or carboxyl;or a pharmaceutically acceptable salt thereof, are smooth muscle relaxants.
Type:
Grant
Filed:
November 17, 1993
Date of Patent:
October 11, 1994
Assignee:
American Home Products Corporation
Inventors:
John A. Butera, Schuyler A. Antane
Patent number: 5225566
Abstract: The compounds of the formula: ##STR1## wherein R.sub.1 is C.sub.1-6 perfluoroalkoxy, C.sub.1-6 perfluoroalkyl, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, hydroxyl, C.sub.2-6 alkoxycarbonyl, nitro, cyano, halogeno, C.sub.1-6 alkylsulfonamido, C.sub.1-6 perfluoroalkylsulfonamido, amino, C.sub.2-6 alkanoylamino, C.sub.2-6 perfluoroalkanoylamino, C.sub.1-12 mono- or di-alkylamino, C.sub.1-6 alkylsulfonyl, C.sub.6-12 arylsulfonyl, carboxyl, or C.sub.2-12 mono- or di-alkylcarbamoyl; R.sub.2 is hydrogen, C.sub.1-6 perfluoroalkoxy, C.sub.1-6 perfluoroalkyl, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, hydroxyl, C.sub.2-6 alkoxycarbonyl, nitro, cyano, halogeno, C.sub.1-6 alkylsulfonamido, C.sub.1-6 perfluoroalkylsulfonamido, amino, C.sub.2-6 alkanoylamino, C.sub.2-6 perfluoroalkanoylamino, C.sub.1-12 mono- or di-alkylamino, C.sub.1-6 alkylsulfonyl, C.sub.6-12 arylsulfonyl, carboxyl, or C.sub.2-12 mono- or dialkylcarbamoyl; R.sub.3 and R.sub.4, independent from each other, are C.sub.1-6 alkyl; either R.sub.5 is hydrogen, hydroxyl, C.
Type:
Grant
Filed:
September 25, 1992
Date of Patent:
July 6, 1993
Assignee:
American Home Products Corporation
Inventors:
John A. Butera, Schuyler A. Antane
Patent number: 5179118
Abstract: The compounds of the formula: ##STR1## wherein R.sub.1 is C.sub.1-6 perfluoroalkoxy, C.sub.1-6 perfluoroalkyl, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, hydroxyl, C.sub.2-6 alkoxycarbonyl, nitro, cyano, halogeno, C.sub.1-6 alkylsulfonamindo, C.sub.1-6 perfluoroalkylsulfonamido, amino, C.sub.2-6 alkanoylamino, C.sub.2-6 perfluoroalkanoylamino, C.sub.1-12 mono- or di-alkylamino, C.sub.1-6 alkylsulfonyl, C.sub.6-12 arylsulfonyl, carboxyl, or C.sub.2-12 mono- or di-alkylcarbamoyl; R.sub.2 is hydrogen, C.sub.1-6 perfluoroalkoxy, C.sub.1-6 perfluoroalkyl, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, hydroxyl, C.sub.2-6 alkoxycarbonyl, nitro, cyano, halogeno, C.sub.1-6 alkylsulfonamido, C.sub.1-6 perfluoroalkylsulfonamido, amino, C.sub.2-6 alkanoylamino, C.sub.2-6 perfluoroalkanoylamino, C.sub.1-12 mono- or di-alkylamino, C.sub.1-6 alkylsulfonyl, C.sub.1-12 arylsulfonyl, carboxyl, or C.sub.2-12 mono- or di-alkylcarboamoyl; R.sub.3 and R.sub.4, independent from each other, are C.sub.1-6 alkyl; either R.sub.5 is hydrogen, hydroxyl, C.
Type:
Grant
Filed:
May 8, 1992
Date of Patent:
January 12, 1993
Assignee:
American Home Products Corporation
Inventors:
John A. Butera, Schuyler A. Antane