Triethylamine → (2R,3S)-3-azido-1-(2-fluoro-2-methylpropylamino)-4-(4-methoxyphenyl)butan-2-ol
反応式
Cl.[F:2][C:3]([CH3:7])([CH3:6])[CH2:4][NH2:5].C(N(CC)CC)C.[N:15]([C@H:18]([C@H:28]1[CH2:30][O:29]1)[CH2:19][C:20]1[CH:25]=[CH:24][C:23]([O:26][CH3:27])=[CH:22][CH:21]=1)=[N+:16]=[N-:17]>CC(O)C>[N:15]([C@@H:18]([CH2:19][C:20]1[CH:21]=[CH:22][C:23]([O:26][CH3:27])=[CH:24][CH:25]=1)[C@H:28]([OH:29])[CH2:30][NH:5][CH2:4][C:3]([F:2])([CH3:7])[CH3:6])=[N+:16]=[N-:17]参加物
5
反応条件
- 温度
- 60 °C
実験手順
To a solution of 2-fluoro-2-methylpropan-1-amine-HCl (2.0 eq) and triethyl amine (4.0 eq) in iPrOH was added an iPrOH solution of (S)-2-((S)-1-azido-2-(4-methoxyphenyl)ethyl)oxirane. The mixture was heated at 60° C. for 6 h. Upon completion the reaction mixture was concentrated then dissolved in ethyl acetate and washed with H2O. The organic layer was combined washed with brine, dried over sodium sulfate and concentrated under vacuum. The residue was purified by flash chromatography. 50% yield. 1H NMR (400 MHz, Chloroform-d) δ 7.4 (d, J=8.4 Hz, 2H), 6.89 (d, J=8.4 Hz, 2H), 3.80 (s, 3H), 3.64-3.57 (m, 2H), 2.96-2.88 (m, 2H), 2.78-2.68 (m, 4H), 1.42 (d, J=3.1 Hz, 3H), 1.37 (d, J=3.1 Hz, 3H).
後処理
- concentrationUpon completion the reaction mixture was concentrated
- dissolutionthen dissolved in ethyl acetate
- washwashed with H2O
- washThe organic layer was combined washed with brine
- dry with materialdried over sodium sulfate
- concentrationconcentrated under vacuum
- customThe residue was purified by flash chromatography
出典と根拠
- ORDレコード
- ord-673e5567d3234c43ab2f13edfb1d769a
- 出典データセット
- uspto-grants-2016_05
- 特許番号
- US09346820B2
反応ノート
読み込み中…