1357621-22-7Relevant articles and documents
Structure-based design, synthesis and biological evaluation of N-pyrazole, N′-thiazole urea inhibitors of MAP kinase p38α
Getlik, Matth?us,Grütter, Christian,Simard, Jeffrey R.,Nguyen, Hoang D.,Robubi, Armin,Aust, Beate,Van Otterlo, Willem A.L.,Rauh, Daniel
, p. 1 - 15 (2012/03/26)
In this paper, we present the structure-based 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 in potent type III inhibitors. [4-(3-tert-Butyl-5-{[(1,3-thiazol-2-ylamino)carbonyl]amino}-1H-pyrazol-1-yl) -phenyl]acetic acid 18c was found to be the most potent compound within this series and inhibited p38α activity with an IC50 of 135 ± 21 nM. Its closest analog, ethyl [4-(3-tert-butyl-5-{[(1,3-thiazol-2-ylamino) carbonyl]amino}-1H-pyrazol-1-yl)phenyl]acetate 18b, effectively inhibited p38α mediated phosphorylation of the mitogen activated protein kinase activated protein kinase 2 (MK2) in HeLa cells.