[CH3:1][CH:2]1[C:8]2[CH:9]=[CH:10][CH:11]=[CH:12][C:7]=2[CH:6]=[CH:5][N:4]2[C:13](SC)=[N:14][N:15]=[C:3]12.[OH-:18].[K+]>>[CH3:1][CH:2]1[C:8]2[CH:9]=[CH:10][CH:11]=[CH:12][C:7]=2[CH:6]=[CH:5][N:4]2[C:13](=[O:18])[NH:14][N:15]=[C:3]1211-Methyl-3-methylthio-11H-s-triazolo[3,4-b][3]benzazepine was treated with potassium hydroxide and the reaction mixture was treated as described. By this procedure was obtained 2,11-dihydro-11-methyl-3H-s-triazolo[3,4-b][3]benzazepin-3-one as crystals. Pale brown needles (as recrystallized from ethanol), m.p. 119°-120° C.
Wird geladen…