Water → 2-cyclobutyl-2-hydroxy-2-phenylacetic acid

HRID 1107394ノート

反応式

HRID 1107394 の反応式
[CH:1]1([C:5]([C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=2)([OH:8])[C:6]#C)[CH2:4][CH2:3][CH2:2]1.[Mn]([O-])(=O)(=O)=[O:16].[K+].S([O-])([O-])=O.[Na+].[Na+].[OH2:27]>>[CH:1]1([C:5]([OH:8])([C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=2)[C:6]([OH:16])=[O:27])[CH2:4][CH2:3][CH2:2]1

参加物

5

反応物 4

HCID 962WaterHCID 24437Sodium SulfiteHCID 516875Potassium PermanganateHCID 15030052HCID 15030052、化合物2 回

生成物 1

HCID 108890462-cyclobutyl-2-hydroxy-2-phenylacetic acid収率 36.8%

実験手順

To 1-cyclobutyl-1-phenyl-2-propin-1-ol (Compound (10), 5.80 g), water (20 ml) was added. Under stirring, an aqueous solution (300 ml) of potassium permanganate (14.0 g) was added dropwise to the resulting mixture at 0° C., followed by vigorous stirring for further 2 hours. Sodium sulfite was added to the reaction mixture at room temperature. The precipitate so obtained was filtered through Celite and the filtrate was extracted with ether. The organic layer was dried over anhydrous sodium sulfate. The solvent was then removed under reduced pressure. The residue was recrystallized from ethyl acetate-hexane to obtain the title compound (2.36 g, 36.8%)) as colorless prism.

後処理

  1. stirringby vigorous stirring for further 2 hours
  2. customThe precipitate so obtained
  3. filtrationwas filtered through Celite
  4. extractionthe filtrate was extracted with ether
  5. dry with materialThe organic layer was dried over anhydrous sodium sulfate
  6. customThe solvent was then removed under reduced pressure
  7. customThe residue was recrystallized from ethyl acetate-hexane

出典と根拠

ORDレコード
ord-4f5ee957953e477b9e62818f4f7ef8e3
出典データセット
uspto-grants-2000_05
特許番号
US06060485

反応ノート

読み込み中…