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Citric Acid → {2-[7-(methyl{[2-(trifluoromethyl)phenyl]sulfonyl}amino)-1H-indol-2-yl]-4,5-dihydro-1,3-thiazol-5-yl}acetic acid

HRID 1960496
ノート
印刷プレビュー

反応式

HRID 1960496 の反応式
C([O:3][C:4](=[O:35])[CH2:5][CH:6]1[S:10][C:9]([C:11]2[NH:12][C:13]3[C:18]([CH:19]=2)=[CH:17][CH:16]=[CH:15][C:14]=3[N:20]([CH3:34])[S:21]([C:24]2[CH:29]=[CH:28][CH:27]=[CH:26][C:25]=2[C:30]([F:33])([F:32])[F:31])(=[O:23])=[O:22])=[N:8][CH2:7]1)C.[OH-].[K+].C(O)(=O)CC(CC(O)=O)(C(O)=O)O>O1CCCC1.CO>[CH3:34][N:20]([S:21]([C:24]1[CH:29]=[CH:28][CH:27]=[CH:26][C:25]=1[C:30]([F:33])([F:32])[F:31])(=[O:23])=[O:22])[C:14]1[CH:15]=[CH:16][CH:17]=[C:18]2[C:13]=1[NH:12][C:11]([C:9]1[S:10][CH:6]([CH2:5][C:4]([OH:35])=[O:3])[CH2:7][N:8]=1)=[CH:19]2
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 3

HCID 311Citric AcidHCID 14797Potassium HydroxideHCID 59135730Ethyl{2-[7-(methyl{[2-(trifluoromethyl)phenyl]sulfonyl}amino)-1H-indol-2-yl]-4,5-dihydro-1,3-thiazol-5-yl}acetate

生成物 1

HCID 59136131{2-[7-(methyl{[2-(trifluoromethyl)phenyl]sulfonyl}amino)-1H-indol-2-yl]-4,5-dihydro-1,3-thiazol-5-yl}acetic acid収率 72%

試薬・触媒・溶媒 2

HCID 887
Methanol
溶媒
HCID 8028Tetrahydrofuran溶媒

実験手順

Ethyl{2-[7-(methyl{[2-(trifluoromethyl)phenyl]sulfonyl}amino)-1H-indol-2-yl]-4,5-dihydro-1,3-thiazol-5-yl}acetate (0.55 g) was dissolved in a mixed solvent of tetrahydrofuran (6 mL)-methanol (6 mL). Aqueous potassium hydroxide solution (prepared by dissolving potassium hydroxide (0.30 g) in water (5 mL)) was added to this solution, and the mixture was stirred at room temperature for 6 hr. The reaction solution was acidified with aqueous citric acid solution, and extracted with ethyl acetate. The organic layer was washed with saturated brine, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The obtained pale-yellow oil was crystallized from ethyl acetate-hexane to give the title compound (372 mg, yield: 72%) as pale-yellow crystals. MS:498(MH+). melting point 170-172° C.

後処理

  1. extractionextracted with ethyl acetate
  2. washThe organic layer was washed with saturated brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. concentrationconcentrated under reduced pressure
  5. customThe obtained pale-yellow oil was crystallized from ethyl acetate-hexane

出典と根拠

ORDレコード
ord-05cabdd5aa8d4965814ac1240ffa54a8
出典データセット
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08410087B2

反応ノート

読み込み中…

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