Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1995-05-22
1996-07-23
Richter, Johann
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
514253, 514321, 544368, 546198, 546199, A61K 31445, A61K 31495, C07D40106, C07D40112
Patent
active
055389848
ABSTRACT:
Disclosed 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.
REFERENCES:
patent: 4122176 (1978-10-01), Katsube et al.
Chen Yuhpyng L.
Nagel Arthur A.
Villalobos Anabella
DeBenedictis Karen
Ginsburg Paul H.
Pfizer Inc.
Richardson Peter C.
Richter Johann
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