The present invention provides a novel class of compounds that have the activity of inhibiting HSP90 enzyme and are useful as anti-cancer agents or such, and compounds that are useful as synthetic intermediates thereof. Specifically, the present invention provides compounds represented by the following formula (1), and pharmaceutically acceptable salts thereof:
wherein X, R1, R2, R3, R4, R5, R6, R7, L1, L2, and L3 are as defined in the specification.
本发明提供了一种新型化合物类别,具有抑制HSP90酶活性的作用,并可用作抗癌剂等,以及作为其合成中间体的化合物。具体而言,本发明提供以下式(1)所表示的化合物及其药学上可接受的盐:其中X,R1,R2,R3,R4,R5,R6,R7,L1,
L2和L3如规范中所定义。