Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1988-09-14
1995-02-21
Ford, John M.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
514297, 546 79, 546 93, 546102, 546103, 546105, C07D21910, C07D22116, A61K 31435
Patent
active
053915534
ABSTRACT:
There are disclosed compounds having the formula ##STR1## wherein n is 1-4; X is alkyl of 3-18 carbon atoms, cycloalkyl of 3-7 carbon atoms or cycloalkylloweralkyl; R is hydrogen, loweralkyl or loweralkylcarbonyl; R.sub.1 is hydrogen, loweralkyl, loweralkylcarbonyl, aryl, diloweralkylaminoloweralkyl, arylloweralkyl, diarylloweralkyl, oxygen-bridged arylloweralkyl or oxygen-bridged diarylloweralkyl; stereo isomers thereof and pharmaceutically acceptable acid addition salts thereof, which are useful for enhancing memory, methods for synthesizing them, and pharmaceutical compositions comprising an effective memory enhancing amount of such a compound.
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Helsley Grover C.
Kapples Kevin J.
Shutske Gregory M.
Ford John M.
Hoechst-Roussel Pharmaceuticals Inc.
Ikeda Tatsuya
Maurer Barbara V.
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