申请人:Roussel Uclaf
公开号:US05089476A1
公开(公告)日:1992-02-18
All isomeric forms and mixtures of isomers of glutamic acid compounds of the formula ##STR1## wherein the glutamic aid is of D- or L- configuration, R.sub.1 is selected from the group consisting of hydrogen, alkyl of 1 to 5 carbon atoms, an amino acid, a peptide of 2 to 4 amino acids and an amino acid or a peptide of 2 to 4 amino acids in which the amine is esterified with an optionally unsaturated aliphatic carboxylic acid of 6 to 24 carbon atoms or R.sub.1 is selected from the group consisting of a residue of a C.sub.6 -C.sub.24 optionally unsaturated aliphatic acid. R.sub.5 is selected from the group consisting of hydrogen or an alkyl radical of 1 to 5 carbon atoms, R.sub.3 is selected from the group consisting of hydroxy, alkoxy of 1 to 5 carbon atoms, an amino acid with the amine optionally substituted with alkyl of 1 to 5 carbon atoms, Z is ##STR2## R.sub.2 is selected from the group consisting of hydrogen, an amino acid and a peptide of 2 to 4 amino acids, R.sub.4 is selected from the group consisting of hydroxy, alkoxy 1 to 5 carbon atoms and an amino acid optionally substituted on the amine with alkyl of 1 to 5 carbon atoms, U is selected from the group consisting of ##STR3## --CH.dbd.CH--CH.sub.2 -- (E or Z isomer), --CH.sub.2 --CH.dbd.CH-- (E or Z isomer) and ##STR4## or U and Y together are .dbd.CH--CH.sub.2 --CH.sub.2 -- (E or Z isomer) and X is hydrogen and their salts with non-toxic, pharmaceutically acceptable acid or bases having immunomodulatory properties.
谷氨酸化合物的所有同分异构体和异构体混合物,其化学式为##STR1##其中谷氨酸为D-或L-构型,R.sub.1选择自羟基,1至5个碳原子的烷基,氨基酸,2至4个氨基酸的肽以及氨基酸或2至4个氨基酸的肽,其中氨基酸与可选的不饱和脂肪族羧酸酯化,该脂肪族羧酸含有6至24个碳原子,或R.sub.1选择自C.sub.6-C.sub.24的可选不饱和脂肪酸残基。R.sub.5选择自氢或1至5个碳原子的烷基基团,R.sub.3选择自羟基,1至5个碳原子的烷氧基,氨基酸,其中氨基可选地用1至5个碳原子的烷基取代,Z为##STR2##R.sub.2选择自氢,氨基酸和2至4个氨基酸的肽,R.sub.4选择自羟基,1至5个碳原子的烷氧基和氨基酸,其中氨基可选地用1至5个碳原子的烷基取代,U选择自##STR3##--CH.dbd.CH--CH.sub.2--(E或Z异构体),--CH.sub.2--CH.dbd.CH--(E或Z异构体)和##STR4##或U和Y一起为.dbd.CH--CH.sub.2--CH.sub.2--(E或Z异构体),X为氢,以及它们的盐,这些盐具有免疫调节作用,且为无毒的、药学上可接受的酸或碱盐。