Tetrahydrofuran → 2-(3-[3-Methoxy-4-(2-methyl-1,3-oxazol-5-yl)phenyl]-8-[3-(trifluoromethyl)phenoxy]-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridin-8-yl}propan-2-ol

HRID 71161ノート

反応式

HRID 71161 の反応式
[CH3:1][Mg]Br.[CH3:4][O:5][C:6]1[CH:7]=[C:8]([C:18]2[N:22]3[CH2:23][CH2:24][CH2:25][C:26]([O:32][C:33]4[CH:38]=[CH:37][CH:36]=[C:35]([C:39]([F:42])([F:41])[F:40])[CH:34]=4)(C(OCC)=O)[C:21]3=[N:20][N:19]=2)[CH:9]=[CH:10][C:11]=1[C:12]1[O:16][C:15]([CH3:17])=N[CH:13]=1.[Cl-].[NH4+:44].[CH2:45]1[CH2:49][O:48]CC1>>[CH3:4][O:5][C:6]1[CH:7]=[C:8]([C:18]2[N:22]3[CH2:23][CH2:24][CH2:25][C:26]([C:49]([OH:48])([CH3:45])[CH3:1])([O:32][C:33]4[CH:38]=[CH:37][CH:36]=[C:35]([C:39]([F:40])([F:42])[F:41])[CH:34]=4)[C:21]3=[N:20][N:19]=2)[CH:9]=[CH:10][C:11]=1[C:12]1[O:16][C:15]([CH3:17])=[N:44][CH:13]=1

参加物

5

実験手順

Methylmagnesium bromide (1 M THF solution, 5.81 mL) was added to a mixture of ethyl 3-[3-methoxy-4-(2-methyl-1,3-oxazol-5-yl)phenyl]-8-[3-(trifluoromethyl)phenoxy]-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridine-8-carboxylate (630 mg) in THF (7 mL) under ice-cooling, and the mixture was stirred for 1 hr. Saturated aqueous ammonium chloride solution was added, and the mixture was extracted with ethyl acetate. The extract was washed with saturated aqueous sodium hydrogen carbonate solution and saturated brine, and dried over anhydrous sodium sulfate, and the solvent was evaporated under reduced pressure. The residue was purified by silica gel column chromatography (NH, ethyl acetate/hexane) to give the title compound (270 mg).

後処理

  1. temperaturecooling
  2. extractionthe mixture was extracted with ethyl acetate
  3. washThe extract was washed with saturated aqueous sodium hydrogen carbonate solution and saturated brine
  4. dry with materialdried over anhydrous sodium sulfate
  5. customthe solvent was evaporated under reduced pressure
  6. customThe residue was purified by silica gel column chromatography (NH, ethyl acetate/hexane)

出典と根拠

ORDレコード
ord-b282179d69e24554ba5b7b2011a511f3
出典データセット
uspto-grants-2014_09
特許番号
US08822699B2

反応ノート

読み込み中…