C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
167/208, 260/246
C07D 498/06 (2006.01) A61K 31/47 (2006.01) A61K 31/535 (2006.01) A61K 31/55 (2006.01)
Patent
CA 2018564
There are disclosed compounds having the formula (see formula I) where X as hydrogen, loweralkyl, loweralkoxy, halogen or trifluoromethyl, and R when present is hydrogen, loweralkyl, allyl, arylloweralkyl, (see formula II) wherein R1 is loweralkyl, -CH2C=CH, (see formula III) (see formula IV) n being 2, 3 or 4 and R2 and R3 being independently loweralkyl, or -2- the group (see formula V) taken as a whole constituting (see formula VI) which compounds are useful as analgesic agents and also for the treatment of various memory dysfunctions characterized by a decreased cholinergic function such as Alzheimer's disease.
Aventis Pharmaceuticals Inc.
Bereskin & Parr
Hoechst-Roussel Pharmaceuticals Inc.
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