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Bromoacetone → 2-(2-furyl)-4-({2-methoxy-4-[({4-[(E)-2-(4-methyl-1,3-thiazol-2-yl)ethenyl]-1-phenyl-1H-pyrazol-3-yl}oxy)methyl]phenoxy}methyl)-5-methyl-1,3-oxazole

HRID 2221879
ノート
印刷プレビュー

反応式

HRID 2221879 の反応式
[O:1]1[CH:5]=[CH:4][CH:3]=[C:2]1[C:6]1[O:7][C:8]([CH3:39])=[C:9]([CH2:11][O:12][C:13]2[CH:36]=[CH:35][C:16]([CH2:17][O:18][C:19]3[C:23](/[CH:24]=[CH:25]/[C:26](=[S:28])[NH2:27])=[CH:22][N:21]([C:29]4[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=4)[N:20]=3)=[CH:15][C:14]=2[O:37][CH3:38])[N:10]=1.Br[CH2:41][C:42](=O)[CH3:43].C(=O)([O-])O.[Na+]>C(O)C>[O:1]1[CH:5]=[CH:4][CH:3]=[C:2]1[C:6]1[O:7][C:8]([CH3:39])=[C:9]([CH2:11][O:12][C:13]2[CH:36]=[CH:35][C:16]([CH2:17][O:18][C:19]3[C:23](/[CH:24]=[CH:25]/[C:26]4[S:28][CH:41]=[C:42]([CH3:43])[N:27]=4)=[CH:22][N:21]([C:29]4[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=4)[N:20]=3)=[CH:15][C:14]=2[O:37][CH3:38])[N:10]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 11715BromoacetoneHCID 516892Sodium BicarbonateHCID 86605828(2E)-3-{3-[(4-{[2-(2-furyl)-5-methyl-1,3-oxazol-4-yl]methoxy}-3-methoxybenzyl)oxy]-1-phenyl-1H-pyrazol-4-yl}-2-propenethioamide

生成物 1

HCID 692156632-(2-furyl)-4-({2-methoxy-4-[({4-[(E)-2-(4-methyl-1,3-thiazol-2-yl)ethenyl]-1-phenyl-1H-pyrazol-3-yl}oxy)methyl]phenoxy}methyl)-5-methyl-1,3-oxazole収率 51%

試薬・触媒・溶媒 1

HCID 702
Ethanol
溶媒

実験手順

A mixture of (2E)-3-{3-[(4-{[2-(2-furyl)-5-methyl-1,3-oxazol-4-yl]methoxy}-3-methoxybenzyl)oxy]-1-phenyl-1H-pyrazol-4-yl}-2-propenethioamide (0.46 g), 1-bromo-2-propanone (0.13 g) and ethanol (30 mL) was heated under reflux for 1 hr. After concentration of the reaction mixture, saturated aqueous sodium hydrogen carbonate was added to the residue, and the mixture was extracted with ethyl acetate. The organic layer was washed with saturated brine, dried over anhydrous magnesium sulfate and concentrated. The residue was subjected to silica gel column chromatography to give 2-(2-furyl)-4-({2-methoxy-4-[({4-[(E)-2-(4-methyl-1,3-thiazol-2-yl)ethenyl]-1-phenyl-1H-pyrazol-3-yl}oxy)methyl]phenoxy}methyl)-5-methyl-1,3-oxazole as pale-yellow crystals (0.25 g, yield 51%) from a fraction eluted with ethyl acetate-hexane (1:1, v/v). Recrystallization from ethyl acetate-hexane gave pale-yellow prism crystals. melting point: 130-131° C.

後処理

  1. temperaturewas heated
  2. temperatureunder reflux for 1 hr
  3. extractionthe mixture was extracted with ethyl acetate
  4. washThe organic layer was washed with saturated brine
  5. dry with materialdried over anhydrous magnesium sulfate
  6. concentrationconcentrated

出典と根拠

ORDレコード
ord-8ebf1fce09054d2aa52ae75663a537df
出典データセット
uspto-grants-2008_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07368578B2

反応ノート

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