[Br:1][C:2]1[CH:3]=[CH:4][C:5]([CH:8]([C:10]2[CH:15]=[CH:14][C:13]([O:16][CH3:17])=[CH:12][CH:11]=2)[OH:9])=[N:6][CH:7]=1>CCOC(C)=O.O=[Mn]=O>[Br:1][C:2]1[CH:3]=[CH:4][C:5]([C:8]([C:10]2[CH:15]=[CH:14][C:13]([O:16][CH3:17])=[CH:12][CH:11]=2)=[O:9])=[N:6][CH:7]=1To a solution of (5-bromo-pyridin-2-yl)-(4-methoxy-phenyl)-methanol (1.0 eq.) in EtOAc (0.2M) was added MnO2 (3.0 eq.). The mixture was stirred for 1 h, filtered on celite and concentrated to afford the title compound as a white solid.
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