[CH3:1][N:2]1[CH2:6][CH2:5][CH2:4][C@H:3]1[CH2:7][O:8][C:9]1[CH:10]=[N+:11]([O-:16])[CH:12]=[C:13](Br)[CH:14]=1.[CH3:17][O-:18].[Na+]>CO>[CH3:1][N:2]1[CH2:6][CH2:5][CH2:4][C@H:3]1[CH2:7][O:8][C:9]1[CH:10]=[N+:11]([O-:16])[CH:12]=[C:13]([O:18][CH3:17])[CH:14]=1A sample of the compound from step 98a above is reacted with sodium methoxide in methanol according to standard procedures. The reaction is quenched with water, the product is extracted, then purified by chromatography on silica gel.
Loading…