Pyroglutamic acid derivatives as enhancers of learning processes and memory and pharmaceutical compositions comprising same
申请人:Sigma-Tau Industrie
Farmaceutiche Riunite S.p.A.
公开号:EP0511943A2
公开(公告)日:1992-11-04
Pyroglutamic acid derivatives of general formula (I)
wherein R is selected from :
2-(N,N-diisopropyl)aminoethyl,
2-aminoethyl,
2-N-(pyrrolidin-2-one-1-yl)acetyl aminoethyl,
2-phenylethyl,
benzyl,
2-N-(pyroglutamylglycyl)aminoethyl,
2-N-(pyroglutamyl)aminoethyl ;
Y is either a C-N single bond or the bivalent residue of an aminoacid selected from :
are potent enhancers of the learning processes and memory.
Orally or parenterally administrable pharmaceutical compositions in unit dosage form comprise from about 100 to about 500 mg of one of the compounds of formula (I).
通用式(I)中的吡咯烷酸衍生物,其中R从以下选择:2-(N,N-二异丙基)氨基乙基,2-氨基乙基,2-N-(吡咯烷酮-1-基)乙酰氨基乙基,2-苯乙基,苄基,2-N-(吡咯酰基甘氨酰)氨基乙基,2-N-(吡咯酰基)氨基乙基;Y是C-N单键或来自以下氨基酸的双价残基:是学习过程和记忆的有效增强剂。口服或静脉注射可用的单剂量制剂药物组合物包含公式(I)中的化合物之一,剂量从约100毫克到约500毫克。