Dimethylamine → N,N-dimethyl-[6-[4-(4-methoxybenzoyl)benzoyl]-4,5,6,7-tetrahydrofuro[2,3-c]pyridin-2-ylmethyl]amine
反応式
[CH3:1][O:2][C:3]1[CH:27]=[CH:26][C:6]([C:7]([C:9]2[CH:25]=[CH:24][C:12]([C:13]([N:15]3[CH2:20][CH2:19][C:18]4[CH:21]=[CH:22][O:23][C:17]=4[CH2:16]3)=[O:14])=[CH:11][CH:10]=2)=[O:8])=[CH:5][CH:4]=1.[CH3:28][NH:29][CH3:30].[CH2:31]=O>C(O)(=O)C>[CH3:28][N:29]([CH2:31][C:22]1[O:23][C:17]2[CH2:16][N:15]([C:13](=[O:14])[C:12]3[CH:24]=[CH:25][C:9]([C:7](=[O:8])[C:6]4[CH:5]=[CH:4][C:3]([O:2][CH3:1])=[CH:27][CH:26]=4)=[CH:10][CH:11]=3)[CH2:20][CH2:19][C:18]=2[CH:21]=1)[CH3:30]参加物
反応条件
- 温度
- 100 °C
実験手順
To a solution of 0.280 g (0.775 mmol) of 6-[4-(4-methoxybenzoyl)benzoyl]-4,5,6,7-tetrahydrofuro[2,3-c]pyridine in 10 ml of acetic acid, 0.105 ml (1.16 mmol) of 50% aqueous dimethylamine and 0.094 ml (1.16 mmol) of 37% aqueous formaldehyde were added, followed by stirring at 100° C. for 60 minutes. After the solvent was distilled off under reduced pressure, the residual solution was alkalified with 5% aqueous sodium hydrogen carbonate and extracted with dichloromethane 2 times. The combined organic layer was washed with water and dried over anhydrous sodium sulfate; the solvent was distilled off under reduced pressure. The resulting crude product was purified by silica gel column chromatography (chloroform/methanol=50/1) to yield the desired product.
後処理
- distillationAfter the solvent was distilled off under reduced pressure
- extractionextracted with dichloromethane 2 times
- washThe combined organic layer was washed with water
- dry with materialdried over anhydrous sodium sulfate
- distillationthe solvent was distilled off under reduced pressure
- customThe resulting crude product was purified by silica gel column chromatography (chloroform/methanol=50/1)
出典と根拠
- ORDレコード
- ord-94e806ca99d54fa69d88da865da88c08
- 出典データセット
- uspto-grants-1999_12
- 特許番号
- US05998433
反応ノート
読み込み中…