Dichloromethane → US9156811, Ddd86206
Reaction equation
C[N:2]([C:20]1[C:21]([CH3:27])=[N:22][N:23]([CH3:26])[C:24]=1[CH3:25])[S:3]([C:6]1[CH:11]=[CH:10][C:9](C2C=CC=C(C=O)C=2)=[CH:8][CH:7]=1)(=[O:5])=[O:4].[N:28]1([C:34]2[CH:39]=[C:38](B3OC(C)(C)C(C)(C)O3)[CH:37]=[CH:36][N:35]=2)[CH2:33][CH2:32][NH:31][CH2:30][CH2:29]1.P([O-])([O-])([O-])=O.[K+].[K+].[K+].C(Cl)[Cl:58]>CN(C=O)C.O.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2]>[Cl:58][C:11]1[CH:10]=[C:9]([C:38]2[CH:37]=[CH:36][N:35]=[C:34]([N:28]3[CH2:33][CH2:32][NH:31][CH2:30][CH2:29]3)[CH:39]=2)[CH:8]=[CH:7][C:6]=1[S:3]([NH:2][C:20]1[C:21]([CH3:27])=[N:22][N:23]([CH3:26])[C:24]=1[CH3:25])(=[O:4])=[O:5]Participants
8
Reactant 4
Product 1
Reagents, catalysts & solvents 3
Procedure
Prepared from the sulphonamide of intermediate 3 (500 mg, 1.3 mmol), 2-(1-piperazinyl)pyridine-4-boronic acid pinacol ester (580 mg, 2.0 mmol), tribasic potassium phosphate (427 mg, 2.0 mmol), and Pd(dppf)Cl2.DCM (50 mg, 0.06 mmol) in DMF (3.0 ml) and water (0.75 ml), according to the method of intermediate 11, to give the title compound as an off-white powder (412 mg, 0.89 mmol, 68%). δH (D-6 DMSO, 300K) 8.20 (1H, d J 5.2 Hz), 8.14 (1H, d J 1.7 Hz), 7.84 (1H, dd J 1.75 Hz 8.3 Hz), 7.79 (1H, d J 8.3 Hz), 7.13 (1H, s), 6.99 (1H, dd J 1.15 Hz 5.2 Hz), 3.55 (3H, s), 3.51 (4H, s br), 2.79 (4H, s br), 1.90 (3H, s), 1.69 (3H, s). m/z (ES+, 70V) 461.2 (MH+).
Sources & evidence
- ORD record
- ord-ec606811be354cb7b0843fad1267b6c3
- Source dataset
- uspto-grants-2015_10
- Patent number
- US09156811B2
Reaction notes
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