Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1993-09-28
1998-05-12
Richter, Johann
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
546199, 546198, 546209, 548207, 548241, 514321, C07D41312, C07D41306, A61K 31445
Patent
active
057505420
ABSTRACT:
Described herein are compounds of the formula ##STR1## wherein R.sup.1 R.sup.2, R.sup.7, R.sup.8, X, Y, M and L are defined as below. The compounds of formula I are cholinesterase inhibitors and are useful in enhancing memory in patients suffering from dementia and Alzheimer's disease.
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Chen Yuhpyng L.
Nagel Arthur A.
Villalobos Anabella
DeBenedictis Karen
Ginsburg Paul H.
Pfizer
Richardson Peter C.
Richter Johann
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