[C:1]1([CH2:7][S:8]([N:11]2[CH2:16][CH2:15][CH2:14][S:13][C:12]2=[CH:17][N+:18]([O-:20])=[O:19])(=[O:10])=[O:9])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[Br:21]N1C(=O)CCC1=O>>[C:1]1([CH2:7][S:8]([N:11]2[CH2:16][CH2:15][CH2:14][S:13][C:12]2=[C:17]([Br:21])[N+:18]([O-:20])=[O:19])(=[O:10])=[O:9])[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=1was prepared, as a yellow solid, m.p.: 143° C. (with decomposition), by treating (5A) with N-bromosuccinimide according to the procedure described in Example 1.
Wird geladen…