C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
167/240, 260/298
C07D 487/04 (2006.01) A61K 31/40 (2006.01)
Patent
CA 2031079
Aminocarbonylcarbamates related to physostigmine, a process for their preparation and their use as medicaments The present invention relates to various derivatives related to physostigmine of the formula I (see formula I) where Z is hydrogen, halogen or loweralkyl; R1 is loweralkyl, cycloalkyl or aryl; and R2 is loweralkyl or cycloalkyl; the 3aS-cis isomer or the 3aR-isomer thereof or a mixture of the two isomers including the racemic mixture, or a pharmaceutically acceptable acid addition salt thereof, and a process for their preparation. The compounds according to the invention are useful for enhancing cholinergic function, and as analgesic agents.
Chiang Yulin
Glamkowski Edward Joseph
Hamer Russell Richard Lee
Aventis Pharmaceuticals Inc.
Bereskin & Parr
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