Design, synthesis and structure-activity relationships of 1,3,4-oxadiazole derivatives as novel inhibitors of glycogen synthase kinase-3beta.
Saitoh, M., Kunitomo, J., Kimura, E., Hayase, Y., Kobayashi, H., Uchiyama, N., Kawamoto, T., Tanaka, T., Mol, C.D., Dougan, D.R., Textor, G.S., Snell, G.P., Itoh, F.(2009) Bioorg Med Chem 17: 2017-2029
- PubMed: 19200745 
- DOI: https://doi.org/10.1016/j.bmc.2009.01.019
- Primary Citation of Related Structures:  
3F7Z, 3F88 - PubMed Abstract: 
Glycogen synthase kinase-3beta (GSK-3beta) is implicated in abnormal hyperphosphorylation of tau protein and its inhibitors are expected to be a promising therapeutic agents for the treatment of Alzheimer's disease. Here we report design, synthesis and structure-activity relationships of a novel series of oxadiazole derivatives as GSK-3beta inhibitors. Among these inhibitors, compound 20x showed highly selective and potent GSK-3beta inhibitory activity in vitro and its binding mode was determined by obtaining the X-ray co-crystal structure of 20x and GSK-3beta.
Organizational Affiliation: 
Pharmaceutical Research Division, Medicinal Chemistry Research Laboratories, Takeda Pharmaceutical Company, Ltd, Osaka, Japan. Saitoh_Morihisa@takeda.co.jp