2,2'-Bis(dicyclohexylphosphino)-1,1'-biphenyl → [8-(4-Methanesulfonyl-phenyl)-[1,2,4]triazolo[1,5-a]pyridin-2-yl]-{4-[4-(4-methyl-piperazin-1-yl)-piperidin-1-yl]-phenyl}-amine
Reaction equation
[CH3:1][S:2]([C:5]1[CH:10]=[CH:9][C:8]([C:11]2[C:12]3[N:13]([N:17]=[C:18]([NH2:20])[N:19]=3)[CH:14]=[CH:15][CH:16]=2)=[CH:7][CH:6]=1)(=[O:4])=[O:3].Br[C:22]1[CH:27]=[CH:26][C:25]([N:28]2[CH2:33][CH2:32][CH:31]([N:34]3[CH2:39][CH2:38][N:37]([CH3:40])[CH2:36][CH2:35]3)[CH2:30][CH2:29]2)=[CH:24][CH:23]=1.C1(P(C2CCCCC2)C2C=CC=CC=2C2C=CC=CC=2P(C2CCCCC2)C2CCCCC2)CCCCC1>>[CH3:1][S:2]([C:5]1[CH:10]=[CH:9][C:8]([C:11]2[C:12]3[N:13]([N:17]=[C:18]([NH:20][C:22]4[CH:27]=[CH:26][C:25]([N:28]5[CH2:29][CH2:30][CH:31]([N:34]6[CH2:35][CH2:36][N:37]([CH3:40])[CH2:38][CH2:39]6)[CH2:32][CH2:33]5)=[CH:24][CH:23]=4)[N:19]=3)[CH:14]=[CH:15][CH:16]=2)=[CH:7][CH:6]=1)(=[O:3])=[O:4]Participants
Reactant 3
Product 1
Procedure
1-[1-(4-Bromo-phenyl)-piperidin-4-yl]-4-methyl-piperazine was prepared from 1-methyl-4-piperidin-4-yl-piperazine (0.50 g, 2.7 mmol) and 4-bromobenzeneboronic acid (0.50 g, 2.5 mmol) in a manner analogous to Step 49a. The reaction product isolated as a tan solid (0.077 g, 9%). 1H NMR (400 MHz, CDCl3, δ, ppm): 7.32 (d, J=7.9 Hz, 2H), 6.79 (d, J=7.7 Hz, 2H), 3.72-3.65 (m, 2H), 2.85-2.35 (m, 14H), 2.00-1.90 (m, 2H), 1.73-1.60 (m, 2H). MS=338, 340 (MH)+. 51b) [8-(4-Methanesulfonyl-phenyl)-[1,2,4]triazolo[1,5-a]pyri din-2-yl]-{4-[4-(4-methyl-piperazin-1-yl)-piperidin-1-yl]-phenyl}-amine was prepared from 8-(4-methanesulfonyl-phenyl)-[1,2,4]triazolo[1,5-a]pyridin-2-ylamine (55.0 mg, 0.191 mmol) and 1-[1-(4-bromo-phenyl)-piperidin-4-yl]-4-methyl-piperazine (70.0 mg, 0.207 mmol) with 2,2′-bis-dicyclohexylphosphanyl-biphenyl (22.0 mg, 0.0402 mmol) as the ligand in a manner analogous to Step 2d. The title compound was isolated as yellow solid (0.014 g, 13%). MP=237-240° C. 1H NMR (400 MHz, CDCl3, δ, ppm): 8.49 (d, J=6.6 Hz, 1H), 8.23 (d, J=7.7 Hz, 2H), 8.08 (d, J=8.0 Hz, 2H), 7.63 (d, J=7.2 Hz, 1H), 7.46 (d, J=8.4 Hz, 2H), 7.01-6.95 (m, 3H), 6.66 (s, 1H), 3.70-3.62 (m, 2H), 3.10 (s, 3H), 2.73-2.32 (m, 11H), 2.30 (s, 3H), 1.98-1.90 (m, 2H), 1.77-165 (m, 2H). MS=546 (MH)+.
Sources & evidence
- ORD record
- ord-fede3d723b4349479b59df7f6143bf31
- Source dataset
- uspto-grants-2013_08
- Patent number
- US08501936B2
Reaction notes
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