Tetracyclic pyrrole lactam derivatives

Details Tetracyclic pyrrole lactam derivatives Tetracyclic pyrrole lactam derivatives

C - Chemistry, Metallurgy

07

D

167/209, 260/237

C07D 487/18 (2006.01) A61K 31/495 (2006.01) C07D 471/20 (2006.01)

Patent

CA 2027840

CA-4-17795/=/CGC 1445 TETRACYCLIC PYRROLE LACTAM DERIVATIVES ABSTRACT OF THE DISCLOSURE Disclosed are the compound of formula I Image (I) wherein R and R1-R3 independently represent hydrogen or lower alkyl, and m represents the integer 2 or 3; their methods of preparation; pharmaceutical compositions thereof, and their use for treating cognitive disorders in mammals.

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