C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
530/5.08
C07C 103/52 (1980.01)
Patent
CA 1059995
TRIPEPTIDE DERIVATIVES WITH CENTRAL NERVOUS SYSTEM ACTIVITY AND PREPARATION THEREOF Abstract of the Disclosure The tripeptide derivatives of formula I H-L-Pro-N(R1)CH(R2)CO-Y-R3 (I) in which R1 is hydrogen, lower alkyl or NR4R5 wherein R4 and R5 each are lower alkyl, R2 is hydrogen or lower alkyl, R3 is amino, lower alkylamino, di(lower)alkylamino or amino- (lower)alkylamino and Y is one of the amino acid residues Gly or D-Ala with the proviso that when R1 is NR4R5 wherein R4 and R5 are as defined herein and R2 and Y are as defined herein, R3 is lower alkylamino, di(lower)alkylamino or amino- (lower)alkylamino, and a method for their preparation are disclosed. The tripeptide derivatives of formula I possess central nervous system activity and methods for their use are given. - 1 -
322290
Failli Amedeo A.
Gotz Manfred K.
Immer Hans U.
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