Ethyl Acetate → 2-Hydroxy-1-(4-(2-isopropyl-phenylsulfanyl)-3-trifluoromethyl-phenyl)-ethanone
反応式
F[C:2]1[CH:7]=[CH:6][C:5]([C:8](=[O:11])[CH2:9][OH:10])=[CH:4][C:3]=1[C:12]([F:15])([F:14])[F:13].[CH:16]([C:19]1[CH:24]=[CH:23][CH:22]=[CH:21][C:20]=1[SH:25])([CH3:18])[CH3:17].C([O-])([O-])=O.[Cs+].[Cs+].CCOC(C)=O>CN(C=O)C>[OH:10][CH2:9][C:8]([C:5]1[CH:6]=[CH:7][C:2]([S:25][C:20]2[CH:21]=[CH:22][CH:23]=[CH:24][C:19]=2[CH:16]([CH3:18])[CH3:17])=[C:3]([C:12]([F:15])([F:14])[F:13])[CH:4]=1)=[O:11]参加物
6
実験手順
Then 2-hydroxy-1-(4-(2-isopropyl-phenylsulfanyl)-3-trifluoromethyl-phenyl)-ethanone 28 was prepared as follows. To a solution of compound 27 (0.4 g, 1.8 mmole) and o-isopropylthiophenol (0.31 ml, 1.8 mmole) in DMF (10 ml) was added Cs2CO3 (0.59 g, 1.8 mmole). The mixture was stirred for 10 minutes and EtOAc (30 ml) was added. The mixture was filtered, concentrated and chromatographed on a silica gel column eluting with 30% EtOAc in hexane. The desired product 28 was obtained as an oil, 0.22 g, 34.8%. 1H-NMR (CDCl3, 300 MHz) δ1.17 (d, J=7.0 Hz, 6H), 3.40–3.46 (m, 2H), 4.80 (s, 2H), 6.82 (d, J=8.4 Hz, 1H), 7.27–7.31 (m, 1H), 7.51–7.55 (m, 3H), 7.72 (d, J=8.4 Hz, 1H), 8.17 (s, 1H); MS (DCI/NH3) m/z 355 (M+H)+, 372 (M+NH4)+.
後処理
- customThen 2-hydroxy-1-(4-(2-isopropyl-phenylsulfanyl)-3-trifluoromethyl-phenyl)-ethanone 28 was prepared
- filtrationThe mixture was filtered
- concentrationconcentrated
- customchromatographed on a silica gel column
- washeluting with 30% EtOAc in hexane
出典と根拠
- ORDレコード
- ord-afd9a3ef15104bbeaa7150a16c2eb20b
- 出典データセット
- uspto-grants-2006_10
- 特許番号
- US07129247B2
反応ノート
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