申请人:Prodimed, S.A.
公开号:EP1847536A1
公开(公告)日:2007-10-24
Novel pyroglutamic acid derivatives (I), wherein R1 is -OH, -ORa, wherein Ra is alkyl, cycloalkyl, alkenyl, cycloalkenyl, aryl, aralkyl or heterocyclyl; R2, R3 and R4 are independently H, a nitrogen protecting group which hydrolyzes under acidic conditions or phtalamide; X is a pharmaceutically acceptable anion; and Y is a N-containing group; either in the form of their isolated optically active stereoisomers or in the form of mixtures thereof, are useful compounds for enhancing an immuneresponse in a subject and/or for treating tumours, bacterial, fungal or viral infections, or autoimmune diseases.
新型吡咯烷酸衍生物(I),其中R1为-OH,-ORa,其中Ra为烷基,环烷基,烯基,环烯基,芳基,芳基烷基或杂环烷基;R2,R3和R4独立地为H,在酸性条件下水解的氮保护基或邻苯二甲酰胺;X为药用可接受的阴离子;Y为含氮基团;无论是其分离的光学活性立体异构体的形式还是它们的混合物的形式,都是用于增强受试者的免疫反应和/或用于治疗肿瘤、细菌、真菌或病毒感染或自身免疫疾病的有用化合物。