[CH2:1]([O:3][C:4]1[CH:13]=[C:12]2[C:7]([CH:8]=[CH:9][C:10]([CH3:14])=[N:11]2)=[CH:6][C:5]=1[F:15])[CH3:2].[Se](=O)=[O:17].C(Cl)Cl.[O-]S([O-])(=O)=O.[Mg+2]>O1CCOCC1.O>[CH2:1]([O:3][C:4]1[CH:13]=[C:12]2[C:7]([CH:8]=[CH:9][C:10]([CH:14]=[O:17])=[N:11]2)=[CH:6][C:5]=1[F:15])[CH3:2]To 7-ethoxy-6-fluoro-2-methylquinoline (180 mg, 0.877 mmol) in dioxane/water (5 mL/0.05 mL) was added selenium dioxide (136 mg, 1.23 mmol) and the reaction was heated to reflux for 2 hours. After cooling, DCM was added followed by MgSO4. After concentration, the residue was used in the next step without purification.
Wird geladen…