4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole → 4-{-4-[4-(1H-Pyrazol-4-yl)-phenyl]-piperidin-4-yl}-benzonitrile
Reaction equation
Cl[C:2]1[CH:7]=[CH:6][C:5]([C:8]2([C:14]3[CH:21]=[CH:20][C:17]([C:18]#[N:19])=[CH:16][CH:15]=3)[CH2:13][CH2:12][NH:11][CH2:10][CH2:9]2)=[CH:4][CH:3]=1.CC1(C)C(C)(C)OB([C:30]2[CH:31]=[N:32][NH:33][CH:34]=2)O1>C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[NH:32]1[CH:31]=[C:30]([C:2]2[CH:7]=[CH:6][C:5]([C:8]3([C:14]4[CH:21]=[CH:20][C:17]([C:18]#[N:19])=[CH:16][CH:15]=4)[CH2:13][CH2:12][NH:11][CH2:10][CH2:9]3)=[CH:4][CH:3]=2)[CH:34]=[N:33]1Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Conditions
- Temperature
- 100 °C
Procedure
4-[4-(4-chloro-phenyl)-piperidin-4-yl]-benzonitrile was reacted with 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole following the procedure set out in Example 1, but using tetrakis(triphenylphosphine)palladium (0) as the catalyst and heating at 100° C. for 15 minutes, to obtain the title compound. LCMS (PS-A3) Rt 6.68 min [M+H]+ 329. 1H NMR (Me-d3-OD) δ 2.65-2.73 (4H, m), 2.77-2.85 (4H, m), 3.75 (3H, s), 7.46 (2H, d), 7.59 (2H, d), 7.68 (2H, d), 7.71 (2H, d), 8.42 (2H, br.s).
Sources & evidence
- ORD record
- ord-2778b944c6e543cfbe775aca2c67ec17
- Source dataset
- uspto-grants-2013_09
- Patent number
- US08541461B2
Reaction notes
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