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。