2,2'-Bis(dicyclohexylphosphino)-1,1'-biphenyl → HCID 57502387, compound
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:23]=[C:24]([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:25]=[CH:26][CH:27]=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][CH:25]=[C:24]([N:28]5[CH2:33][CH2:32][CH:31]([N:34]6[CH2:35][CH2:36][N:37]([CH3:40])[CH2:38][CH2:39]6)[CH2:30][CH2:29]5)[CH:23]=4)[N:19]=3)[CH:14]=[CH:15][CH:16]=2)=[CH:7][CH:6]=1)(=[O:3])=[O:4]Participants
Procedure
1-[1-(3-Bromo-phenyl)-piperidin-4-yl]-4-methyl-piperazine was prepared from 3-bromophenylboronic acid (0.50 g, 2.5 mmol) and 1-methyl-4-piperidin-4-yl-piperazine (0.23 g, 1.2 mmol) in a manner analogous to Step 49a. The reaction product was isolated as a brown viscous oil (0.069 mg, 16%). 1H NMR (400 MHz, CDCl3, δ, ppm): 7.08 (t, J=8.0 Hz, 1H), 7.03 (s, 1H), 6.91 (d, J=8.0 Hz, 1H), 6.82 (d, J=8.0 Hz, 1H), 3.72 (d, J=11.7 Hz, 2H), 2.78-2.33 (m, 11H), 2.30 (s, 3H), 1.93 (d, J=12.9 Hz, 2H), 1.69-1.57 (m, 2H). MS=338, 340 (MH)+. 58b) [8-(4-Methanesulfonyl-phenyl)-[1,2,4]triazolo[1,5-a]pyri din-2-yl]-{3-[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-(3-bromo-phenyl)-piperidin-4-yl]-4-methyl-piperazine (69.0 mg, 0.204 mmol) with 2,2′-bis-dicyclohexylphosphanyl-biphenyl (23.0 mg, 0.0421 mmol) as the ligand in a manner analogous to Step 2d. The title compound was isolated as a yellow solid (0.035 g, 34%). MP=237-239° C. 1H NMR (400 MHz, CDCl3, δ, ppm): 8.49 (d, J=6.5 Hz, 1H), 8.25 (d, J=6.9 Hz, 2H), 8.08 (d, J=7.7 Hz, 2H), 7.65 (d, J=7.1 Hz, 1H), 7.31 (s, 1H), 7.24-7.18 (m, 1H), 7.04-6.95 (m, 2H), 6.82 (s, 1H), 6.60 (d, J=7.9 Hz, 1H), 3.81 (d, J=11.4 Hz, 2H), 3.10 (s, 3H), 2.77 (t, J=12.2 Hz, 2H), 2.72-2.33 (m, 9H), 2.30 (s, 3H), 1.96 (d, J=11.2 Hz, 2H), 1.75-1.63 (m, 2H). MS=546 (MH)+.
Sources & evidence
- ORD record
- ord-005e7175084945d78043838f857b8148
- Source dataset
- uspto-grants-2013_08
- Patent number
- US08501936B2
Reaction notes
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