Sodium Carbonate → HCID 178444527、化合物
反応式
[CH2:1]([C@H:6]1[CH2:11][CH2:10][C@H:9]([CH2:12][O:13][C:14]2[CH:19]=[CH:18][C:17](I)=[CH:16][CH:15]=2)[CH2:8][CH2:7]1)[CH2:2][CH2:3][CH2:4][CH3:5].OB(O)[C:23]1[CH:28]=[C:27]([F:29])[C:26]([O:30][C:31]([F:34])([F:33])[F:32])=[C:25]([F:35])[CH:24]=1.C(=O)([O-])[O-].[Na+].[Na+]>[Pd].O>[F:29][C:27]1[CH:28]=[C:23]([C:17]2[CH:18]=[CH:19][C:14]([O:13][CH2:12][C@H:9]3[CH2:10][CH2:11][C@H:6]([CH2:1][CH2:2][CH2:3][CH2:4][CH3:5])[CH2:7][CH2:8]3)=[CH:15][CH:16]=2)[CH:24]=[C:25]([F:35])[C:26]=1[O:30][C:31]([F:32])([F:33])[F:34]参加物
実験手順
A mixture of 5.0 g (13 mmol) of 4-(trans-4-pentylcyclohexyl) methoxyiodo benzene, 4.1 g (34 mmol) of dihydroxy (3,5-difluoro-4-trifluoromethoxyphenyl) borane, 3.0 g of 5% palladium on activated charcoal and 7.2 g (136 mmol) of sodium carbonate was refluxed in toluene/alcohol/water (1/1/1 v/v, 75 ml) under a nitrogen atmosphere for 3 days. After cooling, the reaction solution was added with water (100 ml) and extracted twice with toluene (100 ml). An organic layer was dried over anhydrous magnesium sulfate, filtered and the solvent therein was distilled off under a reduced pressure. The residue thus obtained was purified by column chromatography (silica gel/heptane:toluene=5:1) and recrystallization (heptane-ethanol) to obtain colorless crystals of 2,6-difluoro-4-(4-(trans-4-pentylcyclohexyl) methoxyphenyl) trifluoromethoxybenzene.
後処理
- temperatureAfter cooling
- extractionextracted twice with toluene (100 ml)
- dry with materialAn organic layer was dried over anhydrous magnesium sulfate
- filtrationfiltered
- distillationthe solvent therein was distilled off under a reduced pressure
- customThe residue thus obtained
- customwas purified by column chromatography (silica gel/heptane:toluene=5:1) and recrystallization (heptane-ethanol)
出典と根拠
- ORDレコード
- ord-d35764cb91854d54a29b0309e10c4a03
- 出典データセット
- uspto-grants-2002_04
- 特許番号
- US06372153B1
反応ノート
読み込み中…