Sodium Hydroxide → 5,5-Dimethyl-5,6-dihydro-8-(phenylthio)-naphthalene-2-carboxylic acid

HRID 24592

反応式

HRID 24592 の反応式
[CH3:1][C:2]1([CH3:23])[CH2:11][CH:10]=[C:9]([S:12][C:13]2[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=2)[C:8]2[CH:7]=[C:6]([C:19]([O:21]C)=[O:20])[CH:5]=[CH:4][C:3]1=2.[OH-].[Na+]>CCO.C1COCC1>[CH3:1][C:2]1([CH3:23])[CH2:11][CH:10]=[C:9]([S:12][C:13]2[CH:14]=[CH:15][CH:16]=[CH:17][CH:18]=2)[C:8]2[CH:7]=[C:6]([C:19]([OH:21])=[O:20])[CH:5]=[CH:4][C:3]1=2

参加物

5

反応物 2

HCID 14798Sodium HydroxideHCID 22571588Methyl 5,5-dimethyl-5,6-dihydro-8-(phenylthio)-naphthalene-2-carboxylate2 回

生成物 1

HCID 225715435,5-Dimethyl-5,6-dihydro-8-(phenylthio)-naphthalene-2-carboxylic acid

試薬・触媒・溶媒 2

HCID 702Ethanol溶媒HCID 8028Tetrahydrofuran溶媒

実験手順

To a solution of methyl 5,5-dimethyl-5,6-dihydro-8-(phenylthio)-naphthalene-2-carboxylate (Compound E18, 300.0 mg, 0.926 mmol) in 4.0 mL of EtOH and 2.0 mL THF was added NaOH (200.0 mg, 5.00 mmol; 5.0 mL of a 1N aqueous solution). After stirring overnight at room temperature the reaction was quenched by the addition of 10% aqueous HCl. The mixture was extracted with EtOAc and the combined organic layers washed with H2O and saturated aqueous NaCl before being dried over Na2SO4. Removal of the solvents under pressure afforded the title compound as a yellow solid.

後処理

  1. customwas quenched by the addition of 10% aqueous HCl
  2. extractionThe mixture was extracted with EtOAc
  3. washthe combined organic layers washed with H2O and saturated aqueous NaCl
  4. dry with materialbefore being dried over Na2SO4
  5. customRemoval of the solvents under pressure

出典と根拠

ORDレコード
ord-aea871566a344b19914bbd9c2d898170
出典データセット
uspto-grants-2005_02
特許番号
US06855832B2

関連ノート

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