C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
167/223, 167/233
C07D 487/04 (2006.01) A61K 31/41 (2006.01) A61K 31/495 (2006.01) C07D 487/14 (2006.01) C07D 498/04 (2006.01)
Patent
CA 2037120
ABSTRACT OF THE DISCLOSURE Pyrrolidine derivatives of formula (I) are disclosed. Image wherein the ring A represents the following heterocyclic ring Image , Image , Image (R is C1-C6 alkyl) or Image . The compounds of formula (I) are useful as nootropic agents.
Hakamada Rie
Hamaguchi Fumiko
Nagasaka Tatsuo
Sakurai Einosuke
Nisshin Flour Milling Co. Ltd.
Swabey Ogilvy Renault
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