Potassium Hydroxide → 1-(Ethoxycarbonyl)cyclopentane-1-carboxylic acid

HRID 1613888ノート

反応式

HRID 1613888 の反応式
[C:1]1([C:11]([O:13]CC)=[O:12])([C:6]([O:8][CH2:9][CH3:10])=[O:7])[CH2:5][CH2:4][CH2:3][CH2:2]1.[OH-].[K+]>CCO>[CH2:9]([O:8][C:6]([C:1]1([C:11]([OH:13])=[O:12])[CH2:2][CH2:3][CH2:4][CH2:5]1)=[O:7])[CH3:10]

参加物

4

反応物 2

HCID 14797Potassium HydroxideHCID 77830Diethyl 1,1-cyclopentanedicarboxylate

生成物 1

HCID 543132381-(Ethoxycarbonyl)cyclopentane-1-carboxylic acid収率 79.5%

試薬・触媒・溶媒 1

HCID 702Ethanol溶媒2 回

実験手順

To a solution of diethyl 1,1-cyclopentane dicarboxylate (2.5 g, 11.68 mmol) in EtOH (10 ml) was added dropwise a solution of KOH (654 mg, 11.68 mmol) in EtOH (10 ml) over 1/2 hour. The resulting mixture was stirred at room temperature for 96 hr, concentrated under vacuum, and partitioned between H2O and EtOAc. The aqueous layer was acidified with concentrated HCl and extracted with EtOAc. The EtOAc extracts were washed (brine), dried (Na2SO4), filtered, and concentrated under vacuum to give the product (1.73 g) as a clear oil.

後処理

  1. concentrationconcentrated under vacuum
  2. custompartitioned between H2O and EtOAc
  3. extractionextracted with EtOAc
  4. washThe EtOAc extracts were washed (brine)
  5. dry with materialdried (Na2SO4)
  6. filtrationfiltered
  7. concentrationconcentrated under vacuum

出典と根拠

ORDレコード
ord-1083fc1cf9874227b3b9db5c3a5d8b5b
出典データセット
uspto-grants-1993_03
特許番号
US05194588

反応ノート

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