Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1985-12-04
1988-06-21
Rothman, Alan L.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
546281, C07D40102, A61K 3144
Patent
active
047526106
ABSTRACT:
There are disclosed novel compounds of the formula ##STR1## where R is H, loweralkyl, halogen, cyano, loweralkanoyl, arylloweralkanoyl, aroyl, --CH(OH)r.sub.1, --C(OH)r.sub.1 r.sub.2 or --CH.sub.2 Or.sub.2, where r.sub.1 is H, loweralkyl, arylloweralkyl or aryl and r.sub.2 is loweralkyl; R.sub.1 is H, loweralkyl, arylloweralkyl, phenyl, nitrophenyl, cyanophenyl, trifluoromethylphenyl, aminophenyl, loweralkanoylaminophenyl, loweralkoxycarbonyl, arylloweralkoxycarbonyl, aryloxycarbonyl, loweralkylaminocarbonyl, arylloweralkylaminocarbonyl, arylaminocarbonyl, alkanoyl, arylloweralkanoyl, aroyl, alkenoyl or alkynoyl; and R.sub.2 is H, NO.sub.2, NH.sub.2, halogen, loweralkanoylamino, arylloweralkanoylamino, aroylamino or loweralkyl, or R.sub.2 as a whole is a combination of 2, 3 or 4 halogen atoms; or pharmaceutically acceptable acid addition salts thereof, which are useful for enhancing memory, methods for synthesizing them, pharmaceutical compositions comprising an effective memory enhancing amount of such a compound and methods of treating a patient in need of memory enhancement by administering such a compound to the patient.
REFERENCES:
patent: 4631286 (1986-12-01), Shutske et al.
patent: 4670562 (1987-06-01), Martin et al.
patent: 4695573 (1987-09-01), Shutske et al.
USA Today, Thursday, Jul. 9, 1987, Life Section, article on No Alzheimer Test.
Effland Richard C.
Kapples Kevin J.
Klein Joseph T.
Hoechst-Roussel Pharmaceuticals Inc.
Ikeda Tatsuya
Rothman Alan L.
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