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Water → 2-Tert-butoxycarbonylamino-3-methylbutyric acid 2-(3-tert-butyl-4-hydroxyphenyl)-1-(thiazol-2-yl)ethylamide

HRID 1988281
ノート
印刷プレビュー

反応式

HRID 1988281 の反応式
[NH:1]([C:9]([O:11][C:12]([CH3:15])([CH3:14])[CH3:13])=[O:10])[C@H:2]([C:6]([OH:8])=O)[CH:3]([CH3:5])[CH3:4].[C:16]([C:20]1[CH:21]=[C:22]([CH2:27][CH:28]([NH2:34])[C:29]2[S:30][CH:31]=[CH:32][N:33]=2)[CH:23]=[CH:24][C:25]=1[OH:26])([CH3:19])([CH3:18])[CH3:17].O>C1COCC1>[C:16]([C:20]1[CH:21]=[C:22]([CH2:27][CH:28]([NH:34][C:6](=[O:8])[CH:2]([NH:1][C:9]([O:11][C:12]([CH3:15])([CH3:14])[CH3:13])=[O:10])[CH:3]([CH3:4])[CH3:5])[C:29]2[S:30][CH:31]=[CH:32][N:33]=2)[CH:23]=[CH:24][C:25]=1[OH:26])([CH3:19])([CH3:17])[CH3:18]
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 962WaterHCID 83693Boc-L-ValineHCID 178192062-(3-Tert-butyl-4-hydroxylphenyl)-1-(thiazol-2-yl)ethylamine

生成物 1

HCID 876058412-Tert-butoxycarbonylamino-3-methylbutyric acid 2-(3-tert-butyl-4-hydroxyphenyl)-1-(thiazol-2-yl)ethylamide収率 106%

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

実験手順

To a solution of Boc-Val-OH (890 mg, 4.09 mmol), 2-(3-tert-butyl-4-hydroxyphenyl)-1-(thiazol-2-yl)ethylamine (1.03 g, 3.73 mmol) and CMPI (653 mg, 1.05 mmol) in THF (10 ml), TEA (1 ml) was added under cooling with ice and stirred at room temperature overnight. The reaction mixture was mixed with water and extracted with ethyl acetate. The organic layer was washed with saturated brine, dried over sodium sulfate and evaporated to remove the solvent under reduced pressure; the thus obtained residue was subjected to silica gel column chromatography (developing solvent: ethyl acetate:n-hexane=1:1), giving the titled compound (1.88 g, 99%).

後処理

  1. temperatureunder cooling with ice
  2. extractionextracted with ethyl acetate
  3. washThe organic layer was washed with saturated brine
  4. dry with materialdried over sodium sulfate
  5. customevaporated
  6. customto remove the solvent under reduced pressure

出典と根拠

ORDレコード
ord-21f82f36e5a84cf49f8a2bfadfbb73ff
出典データセット
uspto-grants-2009_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07553969B1

反応ノート

読み込み中…

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