Propargyl alcohol → methyl 5-((5-(2-(3,4-dichlorophenyl)propan-2-yl)-1-(4-fluoro-3-methoxyphenyl)-1H-imidazol-2-ylthio)methyl)-2-(3-hydroxyprop-1-ynyl)benzoate
反応式
Br[C:2]1[CH:11]=[CH:10][C:9]([CH2:12][S:13][C:14]2[N:15]([C:30]3[CH:35]=[CH:34][C:33]([F:36])=[C:32]([O:37][CH3:38])[CH:31]=3)[C:16]([C:19]([C:22]3[CH:27]=[CH:26][C:25]([Cl:28])=[C:24]([Cl:29])[CH:23]=3)([CH3:21])[CH3:20])=[CH:17][N:18]=2)=[CH:8][C:3]=1[C:4]([O:6][CH3:7])=[O:5].[CH2:39]([OH:42])[C:40]#[CH:41].N1CCCC1>CCOC(C)=O.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2].[Cu]I>[Cl:29][C:24]1[CH:23]=[C:22]([C:19]([C:16]2[N:15]([C:30]3[CH:35]=[CH:34][C:33]([F:36])=[C:32]([O:37][CH3:38])[CH:31]=3)[C:14]([S:13][CH2:12][C:9]3[CH:10]=[CH:11][C:2]([C:41]#[C:40][CH2:39][OH:42])=[C:3]([CH:8]=3)[C:4]([O:6][CH3:7])=[O:5])=[N:18][CH:17]=2)([CH3:21])[CH3:20])[CH:27]=[CH:26][C:25]=1[Cl:28]参加物
反応物 3
生成物 1
試薬・触媒・溶媒 3
反応条件
- 温度
- 80 °C
実験手順
To a stirred solution of methyl 2-bromo-5-((5-(2-(3,4-dichlorophenyl)propan-2-yl)-1-(4-fluoro-3-methoxyphenyl)-1H-imidazol-2-ylthio)methyl)benzoate (506 mg, 0.79 mmol, 1.0 eq), propargyl alcohol (0.07 mL, 1.2 mmol, 1.5 eq) and pyrrolidine (0.1 mL, 1.2 mmol, 1.5 eq) in dry, degassed DMF (4 mL) was added PdCl2(dppf)2 (30 mg, 0.04 mmol, 5 mol %) and CuI (15 mg, 0.08 mmol, 10 mol %). The reaction mixture was heated at 80° C. for 5 h at which time LCMS showed 85% conversion. The mixture was diluted with EtOAc, washed with brine, dried and concentrated. Purification by column chromatography (0 to 75% EtOAc/Hexanes) provided 378 mg (78% yield) of methyl 5-((5-(2-(3,4-dichlorophenyl)propan-2-yl)-1-(4-fluoro-3-methoxyphenyl)-1H-imidazol-2-ylthio)methyl)-2-(3-hydroxyprop-1-ynyl)benzoate. MS (EI) m/z 615 (MH+).
後処理
- customdegassed DMF (4 mL)
- washwashed with brine
- customdried
- concentrationconcentrated
- customPurification by column chromatography (0 to 75% EtOAc/Hexanes)
出典と根拠
- ORDレコード
- ord-2eb7c2c9074e451b97456a3b88577e2b
- 出典データセット
- uspto-grants-2014_07
- 特許番号
- US08785488B2
反応ノート
読み込み中…