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,能够抑制
HSP90的作用,特别是抑制其作为分子伴侣蛋白的功能,并具有抗肿瘤活性。
解决方案:本发明提供了一种
吡唑嘧啶化合物,其
化学式为(1),具有各种取代基,可抑制
HSP90的
ATP酶活性,并具有抗肿瘤活性。本发明还提供了一种以化合物(1)为代表的
HSP90
抑制剂,一种包含化合物(1)的药物,一种包含化合物(1)的抗癌剂,一种包含化合物(1)的制药组合物以及一种使用化合物(1)治疗癌症的方法。