反应详情

6-Fluoro-3,4-dihydro-2H-benzo[1,4]oxazine 5-chloro-3-(4-chloro-3-(trifluoromethyl)phenylsulfonamido)picolinic acid, T3P, and Et3N were reacted according to the procedure D to provide the title compound. HPLC purification provided 4-chloro-N-[5-chloro-2-(6-fluoro-2,3-dihydro-benzo[1,4]oxazine-4-carbonyl)-pyridin-3-yl]-3-trifluoromethyl-benzenesulfonamide: Reverse phase HPLC gradient acetonitrile 0.1% TFA 20-95% in 4 min: 3.041 min MS m/z: 550.1 (M+H).