Discovery of 4-Morpholino-6-aryl-1<i>H</i>-pyrazolo[3,4-<i>d</i>]pyrimidines as Highly Potent and Selective ATP-Competitive Inhibitors of the Mammalian Target of Rapamycin (mTOR): Optimization of the 6-Aryl Substituent
作者:Jeroen C. Verheijen、David J. Richard、Kevin Curran、Joshua Kaplan、Mark Lefever、Pawel Nowak、David J. Malwitz、Natasja Brooijmans、Lourdes Toral-Barza、Wei-Guo Zhang、Judy Lucas、Irwin Hollander、Semiramis Ayral-Kaloustian、Tarek S. Mansour、Ker Yu、Arie Zask
DOI:10.1021/jm9013828
日期:2009.12.24
6-alkylureidophenyl groups with 1-carbamoylpiperidine substitution resulted in compounds with subnanomolar IC50 against mTOR and greater than 1000-fold selectivity over PI3K-α. In addition, structure based drug design resulted in the preparation of several 6-arylureidophenyl-1H-pyrazolo[3,4-d]pyrimidines, substituted in the 4-position of the arylureido moiety with water solubilizing groups. These compounds
设计和合成了一系列4-吗啉代-6-芳基-1 H-吡唑并[3,4- d ]嘧啶,它们是雷帕霉素(mTOR)哺乳动物靶标的有效和选择性抑制剂。优化6-芳基取代基导致发现带有6-脲基苯基的抑制剂,这是第一个报道的具有亚纳摩尔抑制浓度的mTOR活性位点抑制剂。本文提供的数据表明,6-芳基脲基苯基取代基可产生有效的mTOR和磷脂酰肌醇3-激酶α(PI3K-α)混合抑制剂,而6-烷基脲基苯基附肢则具有高度选择性的mTOR抑制剂。6-烷基脲基苯基与1-氨基甲酰基哌啶取代的组合产生具有亚纳摩尔级IC 50的化合物对mTOR的抗性和对PI3K-α的选择性大于1000倍。另外,基于结构的药物设计导致制备了几种6-芳基脲基苯基-1H-吡唑并[3,4- d ]嘧啶,其在芳基脲基部分的4-位被水溶性基团取代。这些化合物将有效的mTOR抑制(IC 50 <1 nM)与细胞增殖试验(IC 50 <1 nM)中前所未有的活性结合在一起。