[CH3:1][O:2][C:3]1[CH:12]=[C:11]2[C:6]([C:7]([CH:13]([C:15]3[CH:20]=[CH:19][C:18]([N+:21]([O-:23])=[O:22])=[CH:17][CH:16]=3)[OH:14])=[CH:8][CH:9]=[N:10]2)=[CH:5][CH:4]=1>C(Cl)(Cl)Cl.[O-2].[O-2].[Mn+4]>[CH3:1][O:2][C:3]1[CH:12]=[C:11]2[C:6]([C:7]([C:13]([C:15]3[CH:20]=[CH:19][C:18]([N+:21]([O-:23])=[O:22])=[CH:17][CH:16]=3)=[O:14])=[CH:8][CH:9]=[N:10]2)=[CH:5][CH:4]=1A mixture of (7-methoxyquinolin-4-yl)(4-nitrophenyl)methanol (220 mg, 0.709 mmol) and manganese dioxide (247 mg, 2.84 mmol) in CHCl3 (20 mL) was heated to 50° C. After 3 hrs, the mixture was cooled to RT and filtered over a silica plug to afford (7-methoxyquinolin-4-yl)(4-nitrophenyl)methanone as a yellow solid that was advanced without further purification. MS: M+H+=309.1.
Wird geladen…