Trifluoroacetic acid → (2E)-3-[5-chloro-2-(difluoromethoxy)phenyl]prop-2-enoic acid
反応式
[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([O:17][CH:18]([F:20])[F:19])=[C:6](/[CH:8]=[CH:9]/[C:10]([O:12]C(C)(C)C)=[O:11])[CH:7]=1.C(O)(C(F)(F)F)=O>C(Cl)Cl>[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([O:17][CH:18]([F:19])[F:20])=[C:6](/[CH:8]=[CH:9]/[C:10]([OH:12])=[O:11])[CH:7]=1参加物
4
実験手順
To a solution of (E)-tert-butyl 3-(5-chloro-2-(difluoromethoxy)phenyl)acrylate (458 mg, 1.503 mmol) in DCM (4 mL) was added TFA (2.0 mL, 26.0 mmol). After 1 h, the solvent was removed to give Intermediate 15 as a white solid. MS (ESI) m/z: 249.0 (M+H)+.
後処理
- customthe solvent was removed
出典と根拠
- ORDレコード
- ord-aae7d1874eb94448ba82b2536ec84c17
- 出典データセット
- uspto-grants-2015_11
- 特許番号
- US09192607B2
反応ノート
読み込み中…