Disclosed is a triazole derivative(s) represented by the general formula (1) below or a pharmacologically acceptable salt(s) thereof. Also disclosed are a prodrug(s) of such a triazole derivative(s) and an HSP90 inhibitor(s) containing any one of them as an active constituent. (1) (In the formula, X represents a halogen atom, an optionally substituted alkyl group, an optionally substituted alkynyl group or the like; Y represents a mercapto group, a hydroxyl group, an optionally substituted sulfonyl group, an optionally substituted amino group or the like; and R represents an optionally substituted aryl or alkyl group or the like.)
本发明公开了一种由下式(1)表示的三唑衍
生物或其药理学上可接受的盐。还公开了这种三唑衍
生物的前药以及含有其中任何一种作为活性成分的
HSP90
抑制剂。(1)(在该式中,X代表卤素原子,可选取代的烷基,可选取代的炔基或类似物;Y代表巯基,羟基,可选取代的磺酰基,可选取代的
氨基或类似物;R代表可选取代的芳基或烷基或类似物。)