Methane → HCID 66733858、化合物
反応式
[CH2:1]([O:5][C:6](=[O:18])[CH:7]=[CH:8][C:9]1[CH:14]=[C:13]([F:15])[C:12]([CH3:16])=[C:11]([F:17])[CH:10]=1)[CH2:2][CH2:3][CH3:4].C>[Pd].CO>[CH2:1]([O:5][C:6](=[O:18])[CH2:7][CH2:8][C:9]1[CH:14]=[C:13]([F:15])[C:12]([CH3:16])=[C:11]([F:17])[CH:10]=1)[CH2:2][CH2:3][CH3:4]参加物
5
実験手順
A mixture of 3-(3,5-difluoro-4-methyl-phenyl)-acrylic acid butyl ester (7.651 g; 30.089 mmol) and 10% palladium over activated charcoal (0.760 g) was placed under nitrogen before MeOH (100 ml) was carefully added. The resulting suspension was placed under vacuum, then under hydrogen (1 atm), and the reaction mixture was vigorously stirred at rt for 2 h45. The reaction mixture was filtered over a pad of celite, and concentrated under reduced pressure to give the expected product 3-(3,5-difluoro-4-methyl-phenyl)-propionic acid butyl ester as a yellow oil which was further dried under HV (6.960 g; 90%). LC-MS: tR=1.10 min; [M+H]+: no ionisation.
後処理
- additionwas carefully added
- filtrationThe reaction mixture was filtered over a pad of celite
- concentrationconcentrated under reduced pressure
出典と根拠
- ORDレコード
- ord-f22a620250634a2eb9b20ad420dd3967
- 出典データセット
- uspto-grants-2012_05
- 特許番号
- US08188082B2
反応ノート
読み込み中…