5-Bromo-2-(trifluoromethyl)pyrimidine → HCID 86690350、化合物
反応式
[NH:1]1[CH2:6][CH2:5][CH2:4][CH:3]([NH:7][C@@H:8]2[CH2:13][CH2:12][CH2:11][CH2:10][C@H:9]2[NH:14][C:15](=[O:21])[O:16][C:17]([CH3:20])([CH3:19])[CH3:18])[CH2:2]1.Br[C:23]1[CH:24]=[N:25][C:26]([C:29]([F:32])([F:31])[F:30])=[N:27][CH:28]=1>CC(N(C)C)=O>[F:30][C:29]([F:32])([F:31])[C:26]1[N:27]=[CH:28][C:23]([N:1]2[CH2:6][CH2:5][CH2:4][CH:3]([NH:7][C@@H:8]3[CH2:13][CH2:12][CH2:11][CH2:10][C@H:9]3[NH:14][C:15](=[O:21])[O:16][C:17]([CH3:18])([CH3:20])[CH3:19])[CH2:2]2)=[CH:24][N:25]=1参加物
反応条件
- 温度
- 100 °C
実験手順
Dimethylacetamide (5.25 mL) was added to a round bottom flask containing tert-butyl (1R,2R)-2-(piperidin-3-ylamino)cyclohexylcarbamate (0.47 gm, 1.58 mmol) and 5-bromo-2-(trifluoromethyl)pyrimidine (0.43 gm, 1.89 mmol). The reaction mixture was then heated at 100° C. After 48 h heating was stopped. The reaction mixture was partitioned between EtOAc and sat. NaHCO3. The organic phase was isolated, washed with saturated aqueous NaCl, dried over MgSO4, filtered and concentrated. The resulting residue was purified using silica gel chromatography eluting with a gradient of 0-100% EtOAc/Hexanes holding at 100% EtOAc to give the diastereomeric product, tert-butyl (1R,2R)-2-(1-(2-(trifluoromethyl)pyrimidin-5-yl)piperidin-3-ylamino)cyclohexylcarbamate, (0.31 gm, 0.70 mmol, 44% yield) as light yellow solid. Anal. Calcd. for C21H32F3N5O2 m/z 443.3, found: 444.3 (M+H)+.
後処理
- temperatureAfter 48 h heating
- customThe reaction mixture was partitioned between EtOAc and sat. NaHCO3
- customThe organic phase was isolated
- washwashed with saturated aqueous NaCl
- dry with materialdried over MgSO4
- filtrationfiltered
- concentrationconcentrated
- customThe resulting residue was purified
- washeluting with a gradient of 0-100% EtOAc/Hexanes holding at 100% EtOAc
出典と根拠
- ORDレコード
- ord-6cd57cdc9f4c44a49bd0de4617de9c91
- 出典データセット
- uspto-grants-2014_08
- 特許番号
- US08815909B2
反応ノート
読み込み中…