An objective of the present invention is to provide water-soluble prodrugs that can be administered parenterally, and which show excellent water solubility and small interspecies or individual differences and are rapidly converted to the active form by chemical conversion. This invention provides water-soluble prodrugs represented by formula (1), or pharmaceutically acceptable salts, or hydrates or solvates thereof,
(wherein,
R1 represents a hydrogen atom, or C1-C6 alkyl group;
W represents a divalent group comprising a tertiary amino group or sulfonyl group; and
Y represents a residue of a compound represented by Y-OH comprising an alcoholic hydroxyl group).
本发明的目的是提供可进行肠外给药的
水溶性原药,这些原药具有极佳的
水溶性和较小的种间或个体差异,并可通过
化学转化迅速转化为活性形式。本发明提供由式(1)代表的
水溶性原药,或其药学上可接受的盐,或其
水合物或溶液、
其中
R1 代表氢原子或 C1-C6 烷基;
W 代表包含叔
氨基或磺酰基的二价基团;以及
Y 代表由醇羟基组成的 Y-OH 所代表化合物的残基)。