Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Patent
1989-09-28
1990-04-03
Ramsuer, Robert W.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
514253, 514322, 514411, 544142, 544372, 546199, 548429, A61K 3140, A61K 31535, C07D48704
Patent
active
049141023
ABSTRACT:
There are disclosed various derivatives of physostigmine and related compounds of the formula below, ##STR1## where X,R.sub.1,R.sub.2 and R.sub.3 are as defined in the specification, which compounds are useful for alleviating various memory dysfunctions characterized by a cholinergic deficit such as Alzheimer's disease.
REFERENCES:
patent: 4791107 (1988-12-01), Hammer et al.
patent: 4831155 (1989-05-01), Brufani et al.
Hoechst Roussel Pharmaceuticals Inc.
Ikeda Tatsuya
Ramsuer Robert W.
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