3-Bromobenzene-1-sulfonamide → 3-[8-Trifluoromethyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridin-3-ylethynyl]-benzenesulfonamide
Reaction equation
[C:1]([C:3]1[N:7]2[CH:8]=[C:9]([C:16]3[CH:21]=[CH:20][C:19]([C:22]([F:25])([F:24])[F:23])=[CH:18][CH:17]=3)[CH:10]=[C:11]([C:12]([F:15])([F:14])[F:13])[C:6]2=[N:5][CH:4]=1)#[CH:2].Br[C:27]1[CH:28]=[C:29]([S:33]([NH2:36])(=[O:35])=[O:34])[CH:30]=[CH:31][CH:32]=1>>[F:15][C:12]([F:14])([F:13])[C:11]1[C:6]2[N:7]([C:3]([C:1]#[C:2][C:27]3[CH:28]=[C:29]([S:33]([NH2:36])(=[O:35])=[O:34])[CH:30]=[CH:31][CH:32]=3)=[CH:4][N:5]=2)[CH:8]=[C:9]([C:16]2[CH:21]=[CH:20][C:19]([C:22]([F:25])([F:24])[F:23])=[CH:18][CH:17]=2)[CH:10]=1Participants
3
Procedure
The title compound was prepared from 3-ethynyl-8-trifluoromethyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridine (example C.18) (360 mg, 1 mmol) and commercially available 3-bromobenzene-1-sulfonamide (216 mg, 1 mmol) according to general procedure II. Obtained as an off-white solid (70 mg, 13%). MS (ISP) 510.4 [(M+H)+]; mp 240° C.
Sources & evidence
- ORD record
- ord-27e8a22e60a64e35bc77e0169c801b00
- Source dataset
- uspto-grants-2011_11
- Patent number
- US08063048B2
Reaction notes
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