1-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole → HCID 57886078, compound
Reaction equation
[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([C:20]([F:23])([F:22])[F:21])=[C:6]([CH:19]=1)[CH2:7][N:8]1[CH2:13][CH2:12][NH:11][C:10]2[N:14]=[CH:15][C:16](I)=[CH:17][C:9]1=2.[CH3:24][N:25]1[CH:29]=[C:28](B2OC(C)(C)C(C)(C)O2)[CH:27]=[N:26]1>>[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([C:20]([F:23])([F:22])[F:21])=[C:6]([CH:19]=1)[CH2:7][N:8]1[CH2:13][CH2:12][NH:11][C:10]2[N:14]=[CH:15][C:16]([C:28]3[CH:27]=[N:26][N:25]([CH3:24])[CH:29]=3)=[CH:17][C:9]1=2Participants
3
Procedure
1-[5-Chloro-2-(trifluoromethyl)benzyl]-7-iodo-1,2,3,4-tetrahydropyrido[2,3-b]pyrazine (112 mg) was reacted with 1-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole as in General Procedure 4B to give the title compound as a brown solid (74% yield). m.p.=156° C., LCMS: m/z=408.25 (M+H+), 1H-NMR (CDCl3, 400 MHz) δ 3.48 (2H, m), 3.65 (2H, m), 3.87 (3H, s), 4.58 (2H, s), 5.06 (1H, s), 6.45 (1H, s), 7.36 (2H, m), 7.49 (2H, m), 7.63 (2H, m).
Sources & evidence
- ORD record
- ord-a78469a3410e4b6cb63c91826c7487ab
- Source dataset
- uspto-grants-2009_10
- Patent number
- US07601716B2
Reaction notes
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