[F:1][C:2]1[CH:22]=[CH:21][CH:20]=[CH:19][C:3]=1[CH2:4][N:5]1[C:9]2=[N:10][CH:11]=[CH:12][CH:13]=[C:8]2[C:7]([C:14](OCC)=[O:15])=[N:6]1.[NH3:23]>CO>[F:1][C:2]1[CH:22]=[CH:21][CH:20]=[CH:19][C:3]=1[CH2:4][N:5]1[C:9]2=[N:10][CH:11]=[CH:12][CH:13]=[C:8]2[C:7]([C:14]([NH2:23])=[O:15])=[N:6]110.18 g (34 mmol) of the ester from Example 21A are initially charged in 150 ml methanol which has been saturated with ammonia at 0-10° C. The mixture is stirred at room temperature for two days and subsequently concentrated under reduced pressure.
Wird geladen…