1,1-Dimethylethyl 2,2-dimethyl-1-piperazinecarboxylate → N-[3-[5-chloro-2-(difluoromethoxy)phenyl]-1-[2-oxo-2-(2,2,4-trimethylpiperazin-1-yl)ethyl]-1H-pyrazol-4-yl]pyrazolo[1,5-a]pyrimidine-3-carboxamide
Reaction equation
[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([O:36][CH:37]([F:39])[F:38])=[C:6]([C:8]2[C:12]([NH:13][C:14]([C:16]3[CH:17]=[N:18][N:19]4[CH:24]=[CH:23][CH:22]=[N:21][C:20]=34)=[O:15])=[CH:11][N:10]([CH2:25][C:26]([N:28]3[CH2:33][CH2:32][N:31]([CH3:34])[CH2:30][CH:29]3[CH3:35])=[O:27])[N:9]=2)[CH:7]=1.[CH3:40]C1(C)CNCCN1C(OC(C)(C)C)=O>>[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([O:36][CH:37]([F:39])[F:38])=[C:6]([C:8]2[C:12]([NH:13][C:14]([C:16]3[CH:17]=[N:18][N:19]4[CH:24]=[CH:23][CH:22]=[N:21][C:20]=34)=[O:15])=[CH:11][N:10]([CH2:25][C:26](=[O:27])[N:28]3[CH2:33][CH2:32][N:31]([CH3:34])[CH2:30][C:29]3([CH3:40])[CH3:35])[N:9]=2)[CH:7]=1Participants
3
Reactant 2
Product 1
Procedure
Using synthetic method analoguous to that of N-[3-[5-chloro-2-(difluoromethoxy)phenyl]-1-[2-(2,4-dimethylpiperazin-1-yl)-2-oxoethyl]-1H-pyrazol-4-yl]pyrazolo[1,5-a]pyrimidine-3-carboxamide, the title compound was prepared from tert-butyl 2,2-dimethylpiperazine-1-carboxylate. LCMS (Method 25) [M+H]+=573.2, RT=0.97 min. 1H NMR (300 MHz, DMSO-d6) δ: (ppm) 9.75 (s, 1H), 9.34 (dd, 1H, J=1.2, 6.9 Hz), 8.69-8.68 (m, 2H), 8.27 (s, 1H), 7.62 (dd, 1H, J=2.7, 8.7 Hz), 7.56 (d, 1H, J=2.4 Hz), 7.45 (d, 1H, J=8.7 Hz), 7.28 (dd, 1H, J=4.5, 6.9 Hz), 7.03 (t, 1H, 73.1 Hz), 5.17 (s, 2H), 3.48-3.42 (m, 2H), 2.28-2.22 (m, 2H), 2.17 (s, 3H), 2.08 (s, 2H), 1.39 (s, 6H).
Sources & evidence
- ORD record
- ord-7c2f8cc6b39545c4be32d6b391df885b
- Source dataset
- uspto-grants-2016_05
- Patent number
- US09346815B2
Reaction notes
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