Dimethylformamide → HCID 21914371、化合物
反応式
S(C1C=CC(C)=CC=1)(O[CH2:5][CH2:6][O:7][C:8]1[CH:13]=[CH:12][CH:11]=[CH:10][C:9]=1[Br:14])(=O)=O.[F:22][C:23]1([F:29])[CH2:28][CH2:27][NH:26][CH2:25][CH2:24]1.C(=O)([O-])[O-].[K+].[K+].CN(C)C=O>O>[F:22][C:23]1([F:29])[CH2:28][CH2:27][N:26]([CH2:5][CH2:6][O:7][C:8]2[CH:13]=[CH:12][CH:11]=[CH:10][C:9]=2[Br:14])[CH2:25][CH2:24]1参加物
6
反応条件
- 温度
- 60 °C
実験手順
2-(2-Bromophenoxy)ethyl tosylate (1.86 g), 4,4-difluoropiperidine (0.73 g) and potassium carbonate (0.97 g) were mixed with dimethylformamide (30 ml) and heated to 60° C. for 18 h. The mixture was cooled and added to water (300 ml). The mixture was extracted with diethyl ether (×3), dried and evaporated. Purification was achieved using cation exchange chromatography eluting with ammonia/methanol/dichloromethane mixtures yielding, 4-difluoro-(2-(2-bromophenoxy)ethyl)piperidine (0.77 g).
後処理
- temperatureThe mixture was cooled
- extractionThe mixture was extracted with diethyl ether (×3)
- customdried
- customevaporated
- customPurification
- washeluting with ammonia/methanol/dichloromethane mixtures
- customyielding
出典と根拠
- ORDレコード
- ord-7f35c1505ac54da3841468653def73a8
- 出典データセット
- uspto-grants-2006_10
- 特許番号
- US07125896B2
反応ノート
読み込み中…