申请人:Mitsubishi Yuka Pharmaceutical Co., Ltd.
公开号:US04613613A1
公开(公告)日:1986-09-23
A .gamma.-butyrolactone derivative represented by the following formula: ##STR1## wherein R.sup.1 represents a hydrogen atom, a straight or branched alkyl group having 1-8 carbon atoms, a phenyl group; R.sup.2 and R.sup.3 may be the same or different and each represents a hydrogen atom, a straight or branched alkyl group having 1-8 carbon atoms, a cycloalkyl group having 3-10 carbon atoms, a benzyl group, a phenyl group, a phenyl group substituted with a substituent selected from the group consisting of a halogen atom, an alkoxy group, a nitro group, an amino group, an alkyl group having 1-4 carbon atoms, a nitrile group and an alkoxycarbonyl group; R.sup.2 and R.sup.3 may be linked to form an alkylene group having 4-6 carbon atoms; X represents a hydrogen atom, a straight or branched alkyl group having 1-8 carbon atoms, a cycloalkyl group having 3-10 carbon atoms, a benzyl group or a substituent represented by the formula ##STR2## (wherein R.sup.4 represents a straight or branched alkyl group having 1-8 carbon atoms, a cycloalkyl group having 3-10 carbon atoms, a benzyl group, a phenyl group or a phenyl group substituted with a substituent selected from the group consisting of a halogen atom, an alkoxy group, a nitro group, an alkylthio group, a nitrile group, an alkoxycarbonyl group and an alkyl group having 1-4 carbon atoms) or a salt thereof. The invention also provides an immunomodulating composition wherein the aforedescribed compound is the active component.
以下是用下列公式表示的 .gamma.
-丁内酯衍
生物:##STR1## 其中,R.sup.1 代表氢原子、1-8个碳原子的直链或支链烷基、苯基;R.sup.2 和 R.sup.3 可以相同也可以不同,每个代表氢原子、1-8个碳原子的直链或支链烷基、3-10个碳原子的环烷基、苄基、苯基、带有卤素原子、烷氧基、硝基、
氨基、1-4个碳原子的烷基、腈基和烷氧羰基中的一种取代基的苯基取代基;R.sup.2 和 R.sup.3 可以连接形成4-6个碳原子的烷基;X 代表氢原子、1-8个碳原子的直链或支链烷基、3-10个碳原子的环烷基、苄基或由下式表示的取代基##STR2##(其中,R.sup.4 代表1-8个碳原子的直链或支链烷基、3-10个碳原子的环烷基、苄基、苯基或带有卤素原子、烷氧基、硝基、烷
硫基、腈基、烷氧羰基和1-4个碳原子的烷基中的一种取代基)或其盐。该发明还提供了一种免疫调节组合物,其中上述化合物是活性成分。