申请人:Shiozaki Masao
公开号:US20110224158A1
公开(公告)日:2011-09-15
The invention provides esterified α-galactosylceramides effective for cancer treatment and the like, and a medicament containing same. In particular, the invention relates to a compound represented by the formula (I):
wherein R
1
is a hydrocarbon group having a carbon number of 1 to 30, R
2
is a hydrocarbon group having a carbon number of 1 to 20, R
3
is a hydrogen atom or hydrocarbon group having a carbon number of 1 to 5, R
4
and R
5
are the same or different and each is a hydrogen atom or a hydrocarbon group having a carbon number of 1 to 5, or R
4
and R
5
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.
该发明提供了用于癌症治疗等的酯化α-半乳糖鞘氨醇,以及含有该酯化物的药物。具体来说,该发明涉及一种由以下式表示的化合物(I):
其中R1是具有1至30个碳原子数的烃基,R2是具有1至20个碳原子数的烃基,R3是氢原子或具有1至5个碳原子数的烃基,R4和R5相同或不同,每个都是氢原子或具有1至5个碳原子数的烃基,或者R4和R5结合在一起形成具有1至5个碳原子数的二价烃基,且可选择地与邻近的乙二醚氧形成环结构,或其盐。