structural optimization toward a previously disclosed Src inhibitor, compound 1, which showed high potency in the treatment of triple negative breast cancer (TNBC) both in vitro and in vivo but had considerable toxicity. A series of 3-(phenylethynyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine derivatives were synthesized. In vitro cell-based phenotypic screening together with in vivo assays and structure–activity
本文中,我们报告了针对先前公开的Src
抑制剂化合物1进行结构优化的复杂过程,该化合物在体外和体内均显示出对三阴性乳腺癌(T
NBC)的高治疗能力,但具有相当大的毒性。合成了一系列的3-(苯基
乙炔基)-1 H-
吡唑并[3,4- d ]
嘧啶-4-胺衍
生物。最终基于体外细胞的表型筛选,以及体内测定和结构-活性关系(
SAR)研究最终导致了N-(3-((4-
氨基-1-(
反式-4-羟基环己基)-1 H)的发现-
吡唑并[3,4- d ]
嘧啶-3-基)
乙炔基)-4-甲基苯基)-4-甲基-3-(三
氟甲基)苯甲酰胺(13an)。13an是一种多激酶
抑制剂,可有效抑制Src(IC 50 = 0.003μM),KDR(IC 50 = 0.032μM)和几种参与
MAPK
信号转导的激酶。该化合物在体外和体内均显示出有效的抗T
NBC活性,并具有良好的药代动力学特性和低毒性。还研究了抗T
NBC的作用机理。总体而言,本研究获