Ammonium Hydroxide → HCID 59651097, compound
Reaction equation
[CH3:1][N:2]([C:7]1[CH:12]=[C:11]([CH:13]2[CH2:15][O:14]2)[CH:10]=[C:9]([N:16]([CH3:22])[CH2:17][CH:18]2[CH2:20][CH:19]2[CH3:21])[N:8]=1)[S:3]([CH3:6])(=[O:5])=[O:4].[NH4+:23].[OH-]>CCO>[NH2:23][CH2:15][CH:13]([C:11]1[CH:10]=[C:9]([N:16]([CH3:22])[CH2:17][CH:18]2[CH2:20][CH:19]2[CH3:21])[N:8]=[C:7]([N:2]([CH3:1])[S:3]([CH3:6])(=[O:5])=[O:4])[CH:12]=1)[OH:14]Participants
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
To a solution of N-(4-formyl-6-{methyl[(2-methylcyclopropyl)methyl]amino}pyridin-2-yl)-N-methylmethanesulfonamide (435 mg, 1.40 mmol) in acetonitrile (5 mL) was added 5 drops water, trimethylsulfonium iodide (342 mg, 1.68 mmol) and potassium hydroxide (188 mg, 3.35 mmol). The reaction was stirred at 65° C., sealed, for 3 h, diluted with EtOAc, washed with sat'd aq NaHCO3, brine, dried over sodium sulfate, and concentrated in vacuo to provide N-methyl-N-(6-{methyl[(2-methylcyclopropyl)methyl]amino}-4-oxiran-2-ylpyridin-2-yl)methanesulfonamide, used as is in the next step. A solution of N-methyl-N-(6-{methyl[(2-methylcyclopropyl)methyl]amino}-4-oxiran-2-ylpyridin-2-yl)methanesulfonamide (440 mg, 1.35 mmol) in EtOH (10 mL) and NH4OH (15 mL) was stirred at 60° C., sealed, for 16 h, concentrated in vacuo and purified by flash chromatography (silica, 5-15% (10% NOH/MeOH)/CH2Cl2) to provide N-(4-(2-amino-1-hydroxyethyl)-6-{methyl[(2-methylcyclopropyl)methyl]amino}pyridin-2-yl)-N-methylmethanesulfonamide as a thick oil. 1H NMR (400 MHz, CD3OD) δ 6.52 (s, 1H), 6.47 (s, 1H), 4.58 (X′ of A′B′X′, dd, J=7.6, 4.0 Hz, 2H), 3.54 (A of ABX, dd, J=14.4, 6.4 Hz, 1H), 3.35 (B of ABX, dd, J=14.4, 6.8 Hz, 1H), 3.30 (s, 3H), 3.13 (s, 3H), 3.08 (s, 3H), 3.86 (A′ of A′B′X′, dd, J=13.2, 4.0 Hz, 1H), 2.76 (B′ of A′B′X′, dd, J=13.2, 7.6 Hz, 1H), 1.02 (d, J=6.0 Hz, 3H), 0.80-0.65 (m, 2H), 0.46-0.39 (m, 1H), 0.25-0.18 (m, 1H).
Workup
- customsealed, for 16 h
- concentrationconcentrated in vacuo
- custompurified by flash chromatography (silica, 5-15% (10% NOH/MeOH)/CH2Cl2)
Sources & evidence
- ORD record
- ord-29d589c6abc84e818ff3e92e7262c540
- Source dataset
- uspto-grants-2011_06
- Patent number
- US07968571B2
Reaction notes
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