Potassium trimethylsilanolate → HCID 178504667, compound
Reaction equation
C[Si](C)(C)[O-].[K+].[Cl:7][C:8]1[CH:9]=[C:10]2[NH:32][C:31]([O:33][C@H:34]3[CH2:39][CH2:38][C@H:37]([C:40]([O:42]CC)=[O:41])[CH2:36][CH2:35]3)=[N:30][C:11]2=[N:12][C:13]=1[C:14]1[CH:19]=[CH:18][C:17]([C:20]2[CH:25]=[CH:24][C:23]([S:26]([CH3:29])(=[O:28])=[O:27])=[CH:22][CH:21]=2)=[CH:16][CH:15]=1>O1CCCC1>[Cl:7][C:8]1[CH:9]=[C:10]2[NH:32][C:31]([O:33][C@H:34]3[CH2:35][CH2:36][C@H:37]([C:40]([OH:42])=[O:41])[CH2:38][CH2:39]3)=[N:30][C:11]2=[N:12][C:13]=1[C:14]1[CH:19]=[CH:18][C:17]([C:20]2[CH:25]=[CH:24][C:23]([S:26]([CH3:29])(=[O:27])=[O:28])=[CH:22][CH:21]=2)=[CH:16][CH:15]=1Participants
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
Potassium trimethylsilanolate (278 mg, 2.16 mmol) was added to a tetrahydrofuran (3 mL) solution of ethyl trans-4-({6-chloro-5-[4′-(methylsulfonyl)biphenyl-4-yl]-1H imidazo[4,5-b]pyridin-2-yl}oxy)cyclohexanecarboxylate (240 mg, 0.43 mmol), and the mixture was stirred at rt for 16 h. The reaction mixture was partitioned between EtOAc and 10% aqueous citric acid. The organic layer was separated, washed with brine, dried over magnesium sulfate and concentrated. Trituration of the resulting crude product with acetonitrile (10 mL) provided the title compound as an off-white solid. LC-MS: calculated for C26H24ClN3O5S 526.0, observed m/e: 526.3 (M+H)+ (Rt 0.8/2 min). 1H NMR δ (ppm) (DMSO-d6): 8.03-7.99 (5 H, m), 7.86 (2 H, d, J=8.16 Hz), 7.79 (2 H, d, J=8.12 Hz), 5.01-4.97 (1 H, m), 2.30 (1 H, m), 2.24 (3 H, d, J=10.17 Hz), 2.00 (3 H, m), 1.58-1.49 (4 H, m).
Workup
- customThe reaction mixture was partitioned between EtOAc and 10% aqueous citric acid
- customThe organic layer was separated
- washwashed with brine
- dry with materialdried over magnesium sulfate
- concentrationconcentrated
Sources & evidence
- ORD record
- ord-a5d2813a6d174a37ae7b3d918341b242
- Source dataset
- uspto-grants-2014_08
- Patent number
- US08796258B2
Reaction notes
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