申请人:Sankyo Company Limited
公开号:US04192953A1
公开(公告)日:1980-03-11
Polyprenyl derivatives having the formula ##STR1## in which R.sup.1 and R.sup.2 may be the same or different and each represents hydrogen atom, hydroxyl group, an alkoxy group having 1-8 carbon atoms, an aliphatic acyloxy group having 2-18 carbon atoms, an aromatic acyloxy group or an araliphatic acyloxy group having 2-3 carbon atoms in the aliphatic acyl moiety, R.sup.3 represents hydrogen atom, an alkyl group having 1-8 carbon atoms, an aliphatic acyl group having 2-18 carbon atoms, an aromatic acyl group or an araliphatic acyl group having 2-3 carbon atoms in the aliphatic acyl moiety, n is an integer of 1-4 and, when n is an interger of 2-4, R.sup.2 's may be the same or different; provided that, when n is 1 or 2, at least one of R.sup.2 and R.sup.2 's is hydroxyl group, an alkoxy group, an aliphatic acyloxy group, an aromatic acyloxy group or an araliphatic acyloxy group. These derivatives are useful as medicines for treating peptic ulcer.
具有以下式子的多预酚衍生物:##STR1## 其中R.sup.1和R.sup.2可以相同或不同,分别代表氢原子,羟基,具有1-8个碳原子的烷氧基,具有2-18个碳原子的脂肪族酰氧基,芳香族酰氧基或具有2-3个碳原子的脂肪族酰基基团的芳基脂肪族酰氧基,R.sup.3代表氢原子,具有1-8个碳原子的烷基,具有2-18个碳原子的脂肪族酰基,芳香族酰基或具有2-3个碳原子的脂肪族酰基基团的芳基脂肪族酰基,n为1-4的整数,当n为2-4的整数时,R.sup.2的可能相同或不同;但是,当n为1或2时,R.sup.2和R.sup.2'中至少有一个为羟基,烷氧基,脂肪族酰氧基,芳香族酰氧基或芳基脂肪族酰氧基。这些衍生物可用作治疗消化性溃疡的药物。