Br[CH2:2][C:3]([C:5]1[CH:10]=[CH:9][CH:8]=[C:7]([N+:11]([O-:13])=[O:12])[CH:6]=1)=[O:4].[CH3:14][C:15]([O-:17])=[O:16].[Na+].O>CC(CC)=O>[C:15]([O:17][CH2:2][C:3]([C:5]1[CH:10]=[CH:9][CH:8]=[C:7]([N+:11]([O-:13])=[O:12])[CH:6]=1)=[O:4])(=[O:16])[CH3:14]2-Bromo-1-(3-nitrophenyl)ethanone (25 g) was dissolved in methylethyl ketone (150 mL). NaOAc (12.5 g) was added and the mixture stirred for 48 hours. Water (100 mL) was added and the reaction mixture extracted with DCM. The DCM layer was dried over Na2SO4 and concentrated to give the title compound (20 g, 87%).
불러오는 중…