[O:1]=[C:2]1[NH:6][C:5]2[CH:7]=[CH:8][C:9]([CH2:11][OH:12])=[CH:10][C:4]=2[NH:3]1>CN(C=O)C.[O-2].[Mn+4].[O-2]>[O:1]=[C:2]1[NH:6][C:5]2[CH:7]=[CH:8][C:9]([CH:11]=[O:12])=[CH:10][C:4]=2[NH:3]125.7 g (0.157 mol) of 20b in DMF are stirred with 81.7 g (0.939 mol) of manganese(IV) oxide for 2 days in analogy to Example 8b.
Wird geladen…