therapy. We designed three novel series of FGFR1 inhibitors bearing indazole, benzothiazole, and 1H-1,2,4-triazole scaffold via fragment-based virtual screening. All the newly synthesised compounds were evaluated in vitro for their inhibitory activities against FGFR1. Compound 9d bearing an indazole scaffold was first identified as a hit compound, with excellent kinase inhibitory activity (IC50 = 15
成纤维细胞生长因子受体(FGFR)是癌症治疗的潜在靶标。通过基于片段的虚拟筛选,我们设计了三种新型的带有
吲唑,
苯并噻唑和
1H-1,2,4-三唑支架的FGFR1
抑制剂。在体外评估所有新合成的化合物对FGFR1的抑制活性。首先将带有
吲唑支架的化合物9d鉴定为具有优良激酶抑制活性(IC50 = 15.0 nM)和适度的抗增殖活性(IC50 = 785.8 nM)的命中化合物。通过两轮优化,
吲唑衍
生物9 u是最强的FGFR1
抑制剂,具有最佳的酶抑制活性(IC50 = 3.3 nM)和细胞活性(IC50 = 468.2 nM)。此外,9 u还表现出良好的激酶选择性。此外,