申请人:Daiichi Sankyo Company, Limited
公开号:US08158638B2
公开(公告)日:2012-04-17
Problem to be Solved
To provide a novel compound inhibiting the effect of HSP90, in particular a novel compound inhibiting the function of HSP90 as a chaperone protein and having antitumor activity.
Solution
The present invention provides a pyrazolopyrimidine compound represented by the formula (1) having various substituents which inhibits the ATPase activity of HSP90 and which has antitumor activity, an HSP90 inhibitor comprising the compound represented by the formula (1), a medicament comprising the compound represented by the formula (1), an anticancer agent comprising the compound represented by the formula (1), a pharmaceutical composition comprising the compound represented by the formula (1) and a method for treating cancer using the compound represented by the formula (1).
需要解决的问题:提供一种新型化合物,抑制HSP90的作用,特别是一种抑制HSP90作为分子伴侣蛋白质的功能并具有抗肿瘤活性的新型化合物。
解决方案:本发明提供一种吡唑嘧啶化合物,其公式表示为(1),具有各种取代基,可抑制HSP90的ATP酶活性,具有抗肿瘤活性。本发明还提供一种包含公式(1)所表示的化合物的HSP90抑制剂、一种包含公式(1)所表示的化合物的药物、一种包含公式(1)所表示的化合物的抗癌剂、一种包含公式(1)所表示的化合物的制药组合物以及使用公式(1)所表示的化合物治疗癌症的方法。