449176-04-9Relevant academic research and scientific papers
Ligand-based optimization to identify novel 2-aminobenzo[d]thiazole derivatives as potent sEH inhibitors with anti-inflammatory effects
Han, Yufei,Huang, Desheng,Xu, Sicong,Li, Lingling,Tian, Ye,Li, Shuo,Chen, Cong,Li, Yingxiu,Sun, Yanping,Hou, Yunlei,Sun, Yongjun,Qin, Mingze,Gong, Ping,Gao, Zibin,Zhao, Yanfang
, (2020/12/07)
Inhibition of the soluble epoxide hydrolase (sEH) is a promising new therapeutic approach in the treatment of inflammation. Driven by the in-house database product lead 1, a hybridization strategy was utilized for the design of a series of novel benzo [d]thiazol derivatives. To our delight, D016, a byproduct of compound 9, was obtained with an extraordinarily low IC50 value of 0.1 nM but poor physical and chemical properties. After removal of a non-essential urea moiety or replacement of the urea group by an amide group, compounds 15a, 17p, and 18d were identified as promising sEH inhibitors, and their molecular binding modes to sEH were constructed. Furthermore, compounds 15a and 18d exhibited more effective in vivo anti-inflammatory effect than t-AUCB in carrageenan-induced mouse paw edema. Compound 15a also showed moderate metabolic stability with a half-time of 34.7 min. Although 18d was unstable in rat liver microsomes, it might be a “prodrug”. In conclusion, this study could provide valuable insights into discovery of new sEH inhibitors, and compounds 15a and 18d were worthy of further development as potential drug candidates to treat inflammation.
Microwave promoted environmentally benign synthesis of 2- aminobenzothiazoles and their urea derivatives
Li, Zheng,Xiao, Shuxiu,Tian, Guoqiang,Zhu, Anguo,Feng, Xu,Liu, Jing
experimental part, p. 1124 - 1133 (2009/04/06)
2-Aminobenzothiazoles were efficiently synthesized using stable, crystalline tetrabutylammonium tribromide instead of toxic, corrosive liquid bromine under solvent-free and microwave irradiation condition. Furthermore, benzothiazol-2-ylureas were synthesized in good to high yield by reactions of 2-aminobenzothiazoles with N-trichloroacetanilides, which were used as a substitute for toxic, unstable isocyanates, under microwave irradiation condition. This protocol has advantages of no utilization of hazardous chemicals, rapid reaction rate, high yield, and easy work-up procedure. Copyright Taylor & Francis Group, LLC.
