1-(3,5-Dichloropyridin-2-yl)piperazine → 5-Chloro-2-[4-(3,5-dichloro-pyridin-2-yl)-piperazin-1-yl]-6-trifluoromethyl-1H-benzoimidazole
Reaction equation
Cl[C:2]1[NH:3][C:4]2[CH:10]=[C:9]([Cl:11])[C:8]([C:12]([F:15])([F:14])[F:13])=[CH:7][C:5]=2[N:6]=1.[Cl:16][C:17]1[C:18]([N:24]2[CH2:29][CH2:28][NH:27][CH2:26][CH2:25]2)=[N:19][CH:20]=[C:21]([Cl:23])[CH:22]=1>>[Cl:11][C:9]1[C:8]([C:12]([F:15])([F:14])[F:13])=[CH:7][C:5]2[NH:6][C:2]([N:27]3[CH2:28][CH2:29][N:24]([C:18]4[C:17]([Cl:16])=[CH:22][C:21]([Cl:23])=[CH:20][N:19]=4)[CH2:25][CH2:26]3)=[N:3][C:4]=2[CH:10]=1Participants
3
Procedure
2,5-Dichloro-6-(trifluoromethyl)benzoimidazole (255 mg, 1.0 mmol, Example 84c) reacted with 1-(3,5-dichloropyridin-2-yl)piperazine (232 mg, 1.0 mmol, Example 9a) under the conditions of Example 3c to give the title compound as a white solid. M.p. 93.5-196.4° C. MS (ESI, pos. ion) m/z: 452.0, 454.1 (M+1).
Sources & evidence
- ORD record
- ord-50fb3f139ef943fcbcd28c002c6922e3
- Source dataset
- uspto-grants-2009_09
- Patent number
- US07582761B2
Reaction notes
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