反応式
O.FC(F)(F)C(O)=O.C([O:11][CH:12](OCC)[CH2:13][N:14]1[C:18](=[O:19])[C:17]2=[CH:20][CH:21]=[CH:22][CH:23]=[C:16]2[C:15]1=[O:24])C>C(Cl)(Cl)Cl>[O:24]=[C:15]1[C:16]2[C:17](=[CH:20][CH:21]=[CH:22][CH:23]=2)[C:18](=[O:19])[N:14]1[CH2:13][CH:12]=[O:11]参加物
5
実験手順
Water (50 mL) and trifluoroacetic acid (50 mL) were added to a solution of phthalimidoacetaldehyde diethyl acetal (30.0 g, 114 mmol) in chloroform (200 mL), and the reaction mixture was stirred at room temperature for 48 hours. The aqueous layer was separated, adjusted to pH 7 with the addition of sodium carbonate, and extracted with several portions of dichloromethane. The combined organic fractions were dried over magnesium sulfate, filtered, and concentrated under reduced pressure to provide 14.2 g of (1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)acetaldehyde as a white solid.
後処理
- customThe aqueous layer was separated
- additionadjusted to pH 7 with the addition of sodium carbonate
- extractionextracted with several portions of dichloromethane
- dry with materialThe combined organic fractions were dried over magnesium sulfate
- filtrationfiltered
- concentrationconcentrated under reduced pressure
出典と根拠
- ORDレコード
- ord-7ef28f501bb744008f701a1198c8f3c7
- 出典データセット
- uspto-grants-2011_03
- 特許番号
- US07915281B2
関連ノート
読み込み中…