[Cl:1][C:2]1[CH:10]=[CH:9][CH:8]=[C:7]2[C:3]=1[C:4](=[O:12])[NH:5][C:6]2=[O:11].[F:13][C:14]1[CH:21]=[CH:20][C:17]([CH2:18]N)=[CH:16][CH:15]=1>C(O)(=O)C>[Cl:1][C:2]1[CH:10]=[CH:9][CH:8]=[C:7]2[C:3]=1[C:4](=[O:12])[N:5]([CH2:18][C:17]1[CH:20]=[CH:21][C:14]([F:13])=[CH:15][CH:16]=1)[C:6]2=[O:11]A mixture of 4-chloro-isoindole-1,3-dione (2.75 g, 15 mmol) and 4-fluorobenzylamine (1.88 g, 15 mmol) in glacial acetic acid (10 mL) was heated at 150° C. in microwave for 30 mins. After cooled to room temperature, the reaction mixture was poured into ice water and the white precipitates were collected. Recrystallization with EtOH provided the title compound (3.86 g, 89%).
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