2-Amino-2-deoxy-.beta.-D-glucopyranosyl-(1-4)-2-amino-2-deoxy-D-glucoses of the general structural formula: ##STR1## wherein R.sub.1 is hydrogen, alkyl (1-7C), substituted alkyl (1-7C), phenyl, substituted phenyl, benzyl, or substituted benzyl; R.sub.2 is alkyl, substituted alky, phenyl, or substituted phenyl and each R.sub.2 may be the same group or a different group; R.sub.3 is H or ##STR2## wherein R.sub.8 is H or lower alkyl (1-10C), and provided at least one of R.sub.3 is not H, R.sub.9 is H, or R.sub.9 -R.sub.10 together is --CH.sub.2 --CH.sub.2 --CH.sub.2 --; R.sub.10 is H, alkyl (L-7C), hydroxymethyl, mercaptomethyl, benzyl, or substituted benzyl; R.sub.11 and R.sub.12 each is carboxyl, esterified carboxyl (1-7C), amidated carboxyl, or mono- or di-alkyl- (1-3C) amidated carboxyl; R.sub.4 and R.sub.5 are the same or different and are H, aliphatic or aromatic acyl (2-21C) or substituted acyl (2-21C); when R.sub.8 is lower alkyl, the stereochemistry at asymmetric center I can be either D or L; when R.sub.10 is not H, the stereochemistry at asymmetric center II is L; the stereochemistry at asymmetric center III is D. These compounds possess immunostimulatory properties.
通用结构式为2-Amino-2-deoxy-.beta.-
D-葡萄糖吡喃糖苷-(1-4)-2-amino-2-deoxy-
D-葡萄糖,其中R1是氢、烷基(1-7C)、取代烷基(1-7C)、苯基、取代苯基、苄基或取代苄基;R2是烷基、取代烷基、苯基或取代苯基,每个R2可以是相同的基团或不同的基团;R3是H或##STR2##其中R8是H或低烷基(1-10C),并且至少一个R3不是H,则R9是H,或R9-R10一起为--
CH2-- -- --;R10是H、烷基(L-7C)、羟甲基、巯基甲基、苄基或取代苄基;R11和R12各自是羧基、酯化羧基(1-7C)、酰胺化羧基或单烷基或二烷基(1-3C)酰胺化羧基;R4和R5相同或不同,是H、脂肪或芳香族酰基(2-21C)或取代酰基(2-21C);当R8为低烷基时,不对称中心I的立体
化学可以是D或L;当R10不是H时,不对称中心II的立体
化学为L;不对称中心III的立体
化学为D。这些化合物具有免疫刺激性能。