1-(substituted pyridinylamino)-1H-indol-5-yl substituted carbamates

摘要

There are disclosed various compounds of the formula below, <IMAGE> where n is 0 or 1; X is hydrogen, halogen, nitro, amino, trifluoromethyl, loweralkyl, or loweralkoxy; Y is hydrogen, halogen, nitro, amino, trifluoromethyl, loweralkyl, or loweralkoxy; R1 is hydrogen, loweralkyl, arylloweralkyl, loweralkenyl, loweralkynyl, loweralkanoyl, arylloweralkanoyl, heteroarylloweralkyl or heteroarylloweralkanoyl; R2 is hydrogen, loweralkyl, formyl or cyano; R3 is hydrogen or loweralkyl; R4 is loweralkyl, arylloweralkyl, cycloalkyl, aryl or heteroaryl; or alternatively, -NR3R4 taken together constitutes <IMAGE> <IMAGE> R5 being hydrogen, loweralkyl, aryl, arylloweralkyl, heteroaryl or heteroarylloweralkyl, which compounds are useful for the treatment of various memory dysfunctions characterized by a cholinergic deficit such as Alzheimer's disease.