4-Methylmorpholine → HCID 178463565, compound
Reaction equation
[NH:1]1[CH2:4][CH:3]([N:5]2[C:9]3[CH:10]=[C:11]([F:14])[CH:12]=[CH:13][C:8]=3[N:7]=[C:6]2[C@@H:15]([NH:17][C:18]2[N:26]=[CH:25][N:24]=[C:23]3[C:19]=2[N:20]=[CH:21][NH:22]3)[CH3:16])[CH2:2]1.[CH3:27][N:28]1[CH2:33]C[O:31][CH2:30][CH2:29]1.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F>CN(C=O)C>[CH3:27][N:28]([CH3:33])[CH2:29][C:30]([N:1]1[CH2:2][CH:3]([N:5]2[C:9]3[CH:10]=[C:11]([F:14])[CH:12]=[CH:13][C:8]=3[N:7]=[C:6]2[CH:15]([NH:17][C:18]2[N:26]=[CH:25][N:24]=[C:23]3[C:19]=2[N:20]=[CH:21][NH:22]3)[CH3:16])[CH2:4]1)=[O:31]Participants
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Procedure
A mixture of [(S)-1-(1-azetidin-3-yl-6-fluoro-1H-benzoimidazol-2-yl)ethyl]-(9H-purin-6-yl)amine (75 mg, 0.21 mmol) dimethylaminoacetic acid (25 mg. 0.23 mmol), 4-methylmorpholine (70 μL, 0.64 mmol) and HATU (93 mg, 0.24 mmol) in DMF (2 mL) was stirred at RT for 4 h. The crude mixture was partitioned between EtOAc and a saturated aqueous solution of NaHCO3. The aqueous phase was further extracted with EtOAc and the combined organic fractions washed with water, followed by brine, dried (MgSO4) and concentrated in vacuo. The resulting residue was purified by column chromatography (Si—PCC, gradient 0-10% 2N NH3/MeOH in DCM) followed by reverse phase HPLC (Phenomenex Gemini 5 μm C18 on a gradient 5-60%, 0.1% NH4OH in acetonitrile/water) to afford 381 as a white solid (20 mg, 22%). LCMS (Method K): RT 1.86 min [M+H]+ 438.1. 1H NMR (DMSO-d6, 400 MHz): δ 8.30-7.92 (3H, m), 7.71-7.63 (1H, m), 7.45-7.34 (1H, m), 7.11 (1H, t, J=9.36 Hz), 5.93-5.58 (2H, m), 4.82-4.69 (1H, m), 4.67-4.56 (1H, m), 4.49-4.34 (1H, m), 4.25-4.26 (1H, m), 3.14 (1H, d, J=14.18 Hz), 2.89 (1H, dd, J=14.18, 3.84 Hz), 2.23 (3H, s), 2.22 (3H, s), 1.67 (3H, d, J=6.66 Hz)
Workup
- customThe crude mixture was partitioned between EtOAc
- extractionThe aqueous phase was further extracted with EtOAc
- washthe combined organic fractions washed with water
- dry with materialdried (MgSO4)
- concentrationconcentrated in vacuo
- customThe resulting residue was purified by column chromatography (Si—PCC, gradient 0-10% 2N NH3/MeOH in DCM)
Sources & evidence
- ORD record
- ord-c8c2c77b79334cb996f6cfe3144577bd
- Source dataset
- uspto-grants-2014_02
- Patent number
- US08653089B2
Reaction notes
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