1-((2-Bromophenyl)sulfonyl)piperazine → 5-[3-Fluoro-2'-(piperazin-1-ylsulfonyl)biphenyl-4-yl]pyrazin-2-amine
Reaction equation
[F:1][C:2]1[CH:7]=[C:6](B2OC(C)(C)C(C)(C)O2)[CH:5]=[CH:4][C:3]=1[C:17]1[N:18]=[CH:19][C:20]([NH2:23])=[N:21][CH:22]=1.Br[C:25]1[CH:30]=[CH:29][CH:28]=[CH:27][C:26]=1[S:31]([N:34]1[CH2:39][CH2:38][NH:37][CH2:36][CH2:35]1)(=[O:33])=[O:32]>>[F:1][C:2]1[CH:7]=[C:6]([C:25]2[CH:30]=[CH:29][CH:28]=[CH:27][C:26]=2[S:31]([N:34]2[CH2:39][CH2:38][NH:37][CH2:36][CH2:35]2)(=[O:32])=[O:33])[CH:5]=[CH:4][C:3]=1[C:17]1[N:18]=[CH:19][C:20]([NH2:23])=[N:21][CH:22]=1Participants
3
Procedure
The title compound was prepared in a manner similar to that described in Example 448 using 5-(2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-pyrazin-2-amine and 1-((2-bromophenyl)sulfonyl)piperazine. MS (ESI): mass calcd. for C20H20FN5O2S, 413.13; m/z found, 414.1 [M+H]+. 1H NMR (400 MHz, CD3OD) δ 8.39 (m, 1H), 8.21-8.13 (m, 2H), 8.01-7.95 (m, 1H), 7.79-7.74 (m, 1H), 7.69-7.63 (m, 1H), 7.50-7.46 (m, 1H), 7.37-7.30 (m, 2H), 3.14-3.08 (m, 4H), 3.06-2.99 (m, 4H).
Sources & evidence
- ORD record
- ord-77168521f59f499da41605006e6b7d6c
- Source dataset
- uspto-grants-2015_07
- Patent number
- US09079866B2
Reaction notes
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