申请人:SUMITOMO DAINIPPON PHARMA CO., LTD
公开号:US20200207782A1
公开(公告)日:2020-07-02
The present invention addresses the problem of providing a novel chemically activated water-soluble prodrug. The present invention provides a compound represented by formula (1), or a pharmacologically acceptable salt thereof (in the formula, A represents A-0; X
1
and X
2
are the same as or different from each other and each independently represent a hydroxyl group or —O—C(═O)—Y—(C(R
1A
) (R
1B
))n-NH—R
2
, where X
1
and X
2
are not simultaneously hydroxyl groups, n is 2, 3, or 4, Y represents an oxygen atom or —NR
4
, R
1A
and R
1B
are the same as or different from each other and each independently represent a hydrogen atom, etc., and R
2
represents a hydrogen atom, etc.; and R
a
to R
d
are optionally present, are the same as or different from each other, and each independently represent a hydrogen atom, etc.).
本发明解决了提供一种新型化学活化的水溶性前药的问题。本发明提供了由式(1)表示的化合物,或其药理学上可接受的盐(在该式中,A代表A-0;X1和X2彼此相同或不同,每个独立地代表一个羟基或—O—C(═O)—Y—(C(R1A)(R1B))n-NH—R2,其中X1和X2不同时是羟基,n为2、3或4,Y代表氧原子或—NR4,R1A和R1B彼此相同或不同,每个独立地代表氢原子等,R2代表氢原子等;以及Ra到Rd可选地存在,彼此相同或不同,每个独立地代表氢原子等)。