Patent number: 5824699
Abstract: This invention provides compounds of formula I having the structure ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are, each, independently, hydrogen, alkyl, alkenyl, alkynyl, alkoxy, aralkoxy, trifluroalkoxy, alkanoyloxy, hydroxy, halo, trifluoromethyl, cyano, amino, mono- or di-alkylamino, alkanamido, or alkanesulfonamido;R.sub.5 is hydrogen, alkyl, alkenyl, alkoxyalkyl or alkylcycloalkyl;R.sub.6 is hydrogen, alkyl or alkenyl;X is oxygen or carbon;A is oxygen or NZ;Z is hydroxyl, alkoxy, aryloxy, carboxyalkyloxy of 2-7 carbon atoms, arylamino, or alkylsulfonyamino of 1-6 carbon atoms;or a pharmaceutically acceptable salt thereof, which are useful in the treatment of arthritic disorders, colorectal cancer, and Alzheimer's disease.
Type:
Grant
Filed:
March 16, 1998
Date of Patent:
October 20, 1998
Assignee:
American Home Products Corporation
Inventors:
Anthony F. Kreft, Craig E. Caufield, Amedeo A. Failli, Thomas J. Caggiano, Alexander A. Greenfield, Dennis M. Kubrak
Patent number: 5776967
Abstract: This invention provides compounds of formula I having the structure ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are, each, independently, hydrogen, alkyl, alkenyl, alkynyl, alkoxy, aralkoxy, trifluroalkoxy, alkanoyloxy, hydroxy, halo, trifluoromethyl, cyano, amino, mono- or di-alkylamino, alkanamido, or alkanesulfonamido;R.sub.5 is hydrogen, alkyl, alkenyl, alkoxyalkyl or alkylcycloalkyl;R.sub.6 is hydrogen, alkyl or alkenyl;X is oxygen or carbon;A is oxygen or NZ;Z is hydroxyl, alkoxy, aryloxy, carboxyalkyloxy of 2-7 carbon atoms, arylamino, or alkylsulfonyamino of 1-6 carbon atoms;or a pharmaceutically acceptable salt thereof, which are useful in the treatment of arthritic disorders, colorectal cancer, and Alzheimer's disease.
Type:
Grant
Filed:
July 7, 1997
Date of Patent:
July 7, 1998
Assignee:
American Home Products Corporation
Inventors:
Anthony F. Kreft, Craig E. Caufield, Amedeo A. Failli, Thomas J. Caggiano, Alexander A. Greenfield, Dennis M. Kubrak