C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 473/06 (2006.01) A61K 31/52 (2006.01) C07D 473/08 (2006.01) C07D 473/12 (2006.01)
Patent
CA 2093403
Disclosed are therapeutic agents for Parkinson's disease containing as an active ingredient a xanthine derivative or a pharmaceutically acceptable salt of the xanthine derivative, the xanthine derivative being represented by the following Formula (I): Image in which R1, R2, and R3 represent independently hydrogen, lower alkyl, or allyl; and R4 represents cycloalkyl, -(CH2)n-R5 (in which R5 represents substituted or unsubstituted aryl or a substituted or unsubstituted heterocyclic group; and n is an integer of 0 to 4), or Image (in which Y1 and Y2 represent independently hydrogen or methyl; and Z represents substituted or unsubstituted aryl or a substituted or unsubstituted heterocyclic group).
Ichikawa Shunji
Ishii Akio
Shimada Junichi
Suzuki Fumio
Goudreau Gage Dubuc
Kyowa Hakko Kirin Co. Ltd.
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