Structure-based design, synthesis and biological evaluation of N-pyrazole, N′-thiazole urea inhibitors of MAP kinase p38α
作者:Matthäus Getlik、Christian Grütter、Jeffrey R. Simard、Hoang D. Nguyen、Armin Robubi、Beate Aust、Willem A.L. van Otterlo、Daniel Rauh
DOI:10.1016/j.ejmech.2011.11.019
日期:2012.2
design, synthesis and biological activity of N-pyrazole, N′-thiazole-ureas as potent inhibitors of p38α mitogen-activated protein kinase (p38α MAPK). Guided by complex crystal structures, we employed the initially identified N-aryl, N′-thiazole urea scaffold and introduced key structural elements that allowed the formation of novel hydrogen bonding interactions within the allosteric site of p38α, resulting
在本文中,我们介绍了N-吡唑,N'-噻唑-尿素作为p38α促分裂原激活蛋白激酶(p38αMAPK)的有效抑制剂的结构设计,合成和生物学活性。在复杂的晶体结构的指导下,我们采用了最初鉴定的N-芳基,N'-噻唑脲支架,并引入了关键的结构元素,这些元素允许在p38α的变构位点内形成新颖的氢键相互作用,从而产生了有效的III型抑制剂。[4-(3-叔丁基-5-[((1,3-噻唑-2-基氨基)羰基]氨基} -1 H-吡唑-1-基)-苯基]乙酸18c被发现是该系列中最有效的化合物,可抑制p38α活性,IC 50为135±21 nM。其最接近的类似物,乙基[4-(3-叔丁基-5 - [(1,3-噻唑-2-基氨基)羰基]氨基} -1- ħ -吡唑-1-基)苯基]乙酸甲酯18B,有效抑制HeLa细胞中p38α介导的丝裂原活化蛋白激酶活化蛋白激酶2(MK2)的磷酸化。