申请人:Sandoz Ltd.
公开号:US04698331A1
公开(公告)日:1987-10-06
Compounds of formula I ##STR1## wherein R.sub.2 and R.sub.3 are the same or different and each represent unsubstituted or substituted acyl, and (a) R.sub.1 represents lower alkyl, aralkyl or the phosphate, pyrophosphate, phosphorylethanolamine or pyrophosphorylethanolamine group, R.sub.4 represents the phosphate, pyrophosphate, phosphorylethanolamine or pyrophosphorylethanolamine group and one of R.sub.1 and R.sub.4 may additionally represent hydrogen and R.sub.5 represents hydrogen or a glycosyl radical or (b) R.sub.1 represents hydrogen, lower alkyl or aralkyl and R.sub.4 and R.sub.5 represent hydrogen, which compounds are indicated for use as pharmaceuticals, in particular as immunostimulants.
化合物的化学式为I ##STR1## 其中R.sub.2和R.sub.3是相同或不同的,每个都代表未取代或取代的酰基,而(a)R.sub.1代表较低的烷基,芳基烷基或磷酸酯,焦磷酸酯,磷酰乙醇胺或焦磷酸酰乙醇胺基团,R.sub.4代表磷酸酯,焦磷酸酯,磷酰乙醇胺或焦磷酸酰乙醇胺基团,其中R.sub.1和R.sub.4中的一个还可以表示氢,而R.sub.5表示氢或糖基基团,或(b)R.sub.1表示氢,较低的烷基或芳基烷基,而R.sub.4和R.sub.5表示氢,这些化合物被指示用作药物,特别是作为免疫刺激剂。