N-(pyrrol-1-yl)pyridinamines

Details N-(pyrrol-1-yl)pyridinamines N-(pyrrol-1-yl)pyridinamines

1991-05-23

1993-03-16

Rotman, Alan L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546284, C07D40112, C07D40114, C07D21184

Patent

active

051946181

ABSTRACT:
There are disclosed compounds of the formula ##STR1## where n is 0 or 1; R is hydrogen or loweralkyl; R.sub.1 is hydrogen, loweralkyl, halogen, --CH(OH)R.sub.4, --C(OH)R.sub.4 R.sub.5 or --CH.sub.2 OR.sub.5, R.sub.4 being hydrogen, loweralkyl, arylloweralkyl or aryl, R.sub.5 being loweralkyl, aryl or arylloweralkyl, R.sub.6 being hydrogen or loweralkyl and R.sub.7 being hydrogen, loweralkyl or aryl; R.sub.2 is hydrogen, loweralkyl, loweralkenyl, loweralkynyl, --CH.sub.2 CO.sub.2 C.sub.2 H.sub.5, arylloweralkyl, phenyl, nitrophenyl, cyanophenyl, trifluoromethylphenyl, aminophenyl, loweralkanoylaminophenyl, loweralkoxycarbonyl, arylloweralkoxycarbonyl, aryloxycarbonyl, loweralkylaminocarbonyl, arylloweralkylaminocarbonyl, arylaminocarbonyl, alkanoyl, arylloweralkanoyl, aroyl, alkenoyl, alkynoyl, --CH.sub.2 C.tbd.CCH.sub.2 --NR'R", --CH.sub.2 CH=CHCH.sub.2 --NR'R" or --CH.sub.2 CH.sub.2 CH.sub.2 CH.sub.2 --NR'R", R' and R" being independently loweralkyl or --NR'R" taken as a whole being ##STR2## and R.sub.3 is hydrogen, NO.sub.2, NH.sub.2, halogen, loweralkanoylamino, arylloweralkanoylamino, aroylamino or loweralkyl; with the proviso that when n is 0, R.sub.2 is phenyl, R.sub.3 is hydrogen and the pyridine moiety is 2-pyridinyl, R and R.sub.1 may not be 2 methyl and 5-methyl; or pharmaceutically acceptable acid addition salts thereof, which are useful for enhancing memory, methods for synthesizing them, pharmaceutical compositions comprising an effective memory enchancing amount of such a compound and a method of treating a patient in need of memory enhancement which comprises administering such a compound to the patient.

REFERENCES:
patent: 5032599 (1991-07-01), Effland et al.

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