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Dimethylformamide → methyl 3-[(5-{3-fluoro-4-[4-(trifluoromethyl)-1-{[2-(trimethylsilyl)ethoxy]methyl}-1H-imidazol-2-yl]phenyl}-4-methylpyridin-2-yl)oxy]-2,2-dimethylpropanoate

HRID 623890
ノート
印刷プレビュー

反応式

HRID 623890 の反応式
CN(C)C=O.Br[C:7]1[CH:12]=[CH:11][C:10]([C:13]2[N:14]([CH2:22][O:23][CH2:24][CH2:25][Si:26]([CH3:29])([CH3:28])[CH3:27])[CH:15]=[C:16]([C:18]([F:21])([F:20])[F:19])[N:17]=2)=[C:9]([F:30])[CH:8]=1.[CH3:31][C:32]([CH3:55])([CH2:37][O:38][C:39]1[CH:44]=[C:43]([CH3:45])[C:42](B2OC(C)(C)C(C)(C)O2)=[CH:41][N:40]=1)[C:33]([O:35][CH3:36])=[O:34].C(=O)([O-])[O-].[Na+].[Na+]>O.C(OCC)(=O)C>[F:30][C:9]1[CH:8]=[C:7]([C:42]2[C:43]([CH3:45])=[CH:44][C:39]([O:38][CH2:37][C:32]([CH3:31])([CH3:55])[C:33]([O:35][CH3:36])=[O:34])=[N:40][CH:41]=2)[CH:12]=[CH:11][C:10]=1[C:13]1[N:14]([CH2:22][O:23][CH2:24][CH2:25][Si:26]([CH3:29])([CH3:28])[CH3:27])[CH:15]=[C:16]([C:18]([F:21])([F:20])[F:19])[N:17]=1
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 6228DimethylformamideHCID 10340Sodium CarbonateHCID 679752622-(4-bromo-2-fluorophenyl)-4-(trifluoromethyl)-1-{[2-(trimethylsilyl)ethoxy]methyl}-1H-imidazoleHCID 67975267Methyl 2,2-dimethyl-3-((4-methyl-5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)pyridin-2-yl)oxy)propanoate

生成物 1

HCID 67973406
methyl 3-[(5-{3-fluoro-4-[4-(trifluoromethyl)-1-{[2-(trimethylsilyl)ethoxy]methyl}-1H-imidazol-2-yl]phenyl}-4-methylpyridin-2-yl)oxy]-2,2-dimethylpropanoate
収率 102.3%

試薬・触媒・溶媒 2

HCID 962Water溶媒HCID 8857Ethyl Acetate溶媒

反応条件

温度
60 °C

実験手順

N,N-dimethylformamide (4 mL) was added to 2-(4-bromo-2-fluorophenyl)-4-(trifluoromethyl)-1-{[2-(trimethylsilyl)ethoxy]methyl}-1H-imidazole (500 mg), methyl 2,2-dimethyl-3-{[4-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl]oxy}propanoate (477 mg) and palladium chloride (dppf) methylene chloride complex (46 mg), and after adding 2N aqueous sodium carbonate solution (1.71 mL) to the mixture, the atmosphere was replaced with nitrogen and the resulting mixture was stirred at 60° C. for 5 hours. To the reaction mixture were added ethyl acetate and water, and the liquids were separated. The organic layer was separated, washed with a saturated brine, and the residue obtained by concentrating the mixture under reduced pressure was purified by silica gel column chromatography (n-hexane:ethyl acetate=95:5 to 82:18) to obtain methyl 3-[(5-{3-fluoro-4-[4-(trifluoromethyl)-1-{[2-(trimethylsilyl)ethoxy]methyl}-1H-imidazol-2-yl]phenyl}-4-methylpyridin-2-yl)oxy]-2,2-dimethylpropanoate (677 mg).

後処理

  1. customthe liquids were separated
  2. customThe organic layer was separated
  3. washwashed with a saturated brine
  4. customthe residue obtained
  5. concentrationby concentrating the mixture under reduced pressure
  6. customwas purified by silica gel column chromatography (n-hexane:ethyl acetate=95:5 to 82:18)

出典と根拠

ORDレコード
ord-348ae576171e4200a1e82618256d0540
出典データセット
uspto-grants-2016_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09302996B2

反応ノート

読み込み中…

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