Piperazine → HCID 90313078, compound
Reaction equation
[NH2:1][C:2]1[CH:7]=[N:6][C:5]([C:8]2[CH:13]=[CH:12][C:11]([C:14]3[C:15]([C:20](O)=[O:21])=[CH:16][CH:17]=[CH:18][CH:19]=3)=[CH:10][C:9]=2[F:23])=[CH:4][N:3]=1.[NH:24]1[CH2:29][CH2:28][NH:27][CH2:26][CH2:25]1>>[F:23][C:9]1[CH:10]=[C:11]([C:14]2[CH:19]=[CH:18][CH:17]=[CH:16][C:15]=2[C:20]([N:24]2[CH2:29][CH2:28][NH:27][CH2:26][CH2:25]2)=[O:21])[CH:12]=[CH:13][C:8]=1[C:5]1[N:6]=[CH:7][C:2]([NH2:1])=[N:3][CH:4]=1Participants
3
Procedure
The title compound was prepared using methods analogous to those described in Step C of Example 504 using 4′-(2-aminopyrazin-5-yl)-3′-fluoro-[1,1′-biphenyl]-2-carboxylic acid and piperazine. MS (ESI): mass calcd. for C21H20FN5O, 377.17; m/z found, 378.2 [M+H]+. 1H NMR (400 MHz, CDCl3) δ 8.64-8.56 (m, 1H), 8.11 (d, J=1.5, 1H), 8.04-7.93 (m, 1H), 7.53-7.40 (m, 4H), 7.37 (dd, J=8.1, 1.8, 1H), 7.30 (dd, J=12.2, 1.7, 1H), 4.77 (s, 2H), 3.72 (d, J=25.1, 2H), 3.14 (s, 1H), 2.92 (s, 2H), 2.65 (s, 2H), 2.05 (s, 1H).
Sources & evidence
- ORD record
- ord-dcb01c9191ba42828f33d35788fd279b
- Source dataset
- uspto-grants-2015_07
- Patent number
- US09079866B2
Reaction notes
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