The present invention provides novel esterified α-galactosylceramides effective for cancer treatment and the like, and a medicament containing same.
The present invention relates to a compound represented by the formula (I):
wherein R1 is a hydrocarbon group having a carbon number of 1 to 30, R2 is a hydrocarbon group having a carbon number of 1 to 20, R3 is a hydrogen atom or hydrocarbon group having a carbon number of 1 to 5, R4 and R5 are the same or different and each is a hydrogen atom or a hydrocarbon group having a carbon number of 1 to 5, or R4 and R5 in combination form a divalent hydrocarbon group having a carbon number of 1 to 5, and optionally form a ring structure together with the adjacent ethylenedioxy, or a salt thereof.
本发明提供了对癌症治疗等有效的新型酯化α-半
乳糖基
甘油酰胺,以及含有该物质的药物。
本发明涉及一种由式(I)代表的化合物:
其中 R1 是碳原子数为 1 至 30 的烃基,R2 是碳原子数为 1 至 20 的烃基,R3 是氢原子或碳原子数为 1 至 5 的烃基,R4 和 R5 相同或不同且各自是氢原子或碳原子数为 1 至 5 的烃基,或 R4 和 R5 结合形成碳原子数为 1 至 5 的二价烃基,并可选择与相邻的乙二氧基一起形成环结构,或其盐。