An immunosuppressant comprising Glucopyranose derivatives of the formula (I):
wherein R is H, OH etc; G is ―CH2CH(R1-R2)(R3-R4), in which R1 is a single bond, OCO-alkyl ; R2, R4 is H, phenyl which may be substituted by halogen atoms etc.; R3 is alkylene ; R5 is OCO-alkyl, R6 is H, phenyl which may be substituted by halogen atoms etc. or R5-R6 is OCO-Z-(dialkoxyphenyl); R7 is H, CH2OH etc; or non-toxic salts thereof as active ingredient.
Glucopyranose derivatives of the formula (I) or non-toxic salts thereof possess an activity of immunosuppression, and being useful as the prevention and/or treatment of diseases caused by abnormal enhancement of immunity, e.g. allergic diseases, autoimmune diseases.
一种由式(I)的
吡喃
葡萄糖衍
生物组成的
免疫抑制剂:
其中R是H、OH等;G是-CH2CH(R1-R2)(R3-R4),其中R1是单键、OCO-烷基;R2、R4是H、可被卤素原子取代的苯基等;R3是亚烷基;R5是OCO-烷基,R6是H、可被卤素原子取代的苯基等,或R5-R6是OCO-Z-(二烷氧基苯基);R7是H、CH2OH等;或其作为活性成分的无毒盐。
式(I)的
吡喃
葡萄糖衍
生物或其无毒盐具有免疫抑制活性,可用于预防和/或治疗因免疫异常增强而引起的疾病,如过敏性疾病、自身免疫性疾病。