[N+:1]([C:4]1[C:12]2[NH:11][C:10](=O)[NH:9][C:8]=2[CH:7]=[C:6]([C:14]([F:17])([F:16])[F:15])[CH:5]=1)([O-:3])=[O:2].O=P(Cl)(Cl)[Cl:20]>>[Cl:20][C:10]1[NH:9][C:8]2[CH:7]=[C:6]([C:14]([F:17])([F:16])[F:15])[CH:5]=[C:4]([N+:1]([O-:3])=[O:2])[C:12]=2[N:11]=1The benzoimidazol-2-one from step (b) above (1.8 g, 7.3 mmol) reacted with POCl3 under the conditions of Example 1c to give the title compound as a yellow solid. MS (ESI, pos. ion) m/z: 266 (M+1).
読み込み中…