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Potassium Carbonate → (2S)-alpha-(2'-(2,3-Epoxypropan-1-yloxy)benzyl)-gamma-butyrolactone

HRID 2085236
ノート
印刷プレビュー

反応式

HRID 2085236 の反応式
C(=O)([O-])[O-].[K+].[K+].[OH:7][C:8]1[CH:20]=[CH:19][CH:18]=[CH:17][C:9]=1[CH2:10][CH:11]1[CH2:16][CH2:15][O:14][C:12]1=[O:13].S(C1C=CC([N+]([O-])=O)=CC=1)(O[CH2:25][C@H:26]1[O:28][CH2:27]1)(=O)=O>CN(C)C=O>[O:28]1[CH2:27][CH:26]1[CH2:25][O:7][C:8]1[CH:20]=[CH:19][CH:18]=[CH:17][C:9]=1[CH2:10][C@H:11]1[CH2:16][CH2:15][O:14][C:12]1=[O:13]
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 11430Potassium CarbonateHCID 10868995(S)-(+)-Glycidyl-4-nitrobenzoateHCID 21813505alpha-(2'-Hydroxybenzyl)-gamma-butyrolactone

生成物 1

HCID 21306424(2S)-alpha-(2'-(2,3-Epoxypropan-1-yloxy)benzyl)-gamma-butyrolactone収率 106.2%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

実験手順

Dimethylformamide (100 ml) and potassium carbonate (10 g) were added to α-(2′-hydroxybenzyl)-γ-butyrolactone (5.0 g), and (S)-glycidyl nosylate (6 g) was added. The mixture was stirred at room temperature for 2 days. The reaction mixture was concentrated under reduced pressure and water was added. The reaction mixture was extracted with ethyl acetate. The organic layer was dried over anhydrous sodium sulfate and concentrated under reduced pressure to give the title compound (6.1 g).

後処理

  1. additionwas added
  2. concentrationThe reaction mixture was concentrated under reduced pressure and water
  3. additionwas added
  4. extractionThe reaction mixture was extracted with ethyl acetate
  5. dry with materialThe organic layer was dried over anhydrous sodium sulfate
  6. concentrationconcentrated under reduced pressure

出典と根拠

ORDレコード
ord-d3e0f427f45d4d618c186c919a70ad6c
出典データセット
uspto-grants-2004_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06720320B2

反応ノート

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