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Sodium Hydroxide → 2-Fluoro-4-(8,8-dimethl-5-oxo-5,6,7,8-tetrahydro-naphthalen-2yl-ethynyl)-benzoic Acid

HRID 51635
ノート
印刷プレビュー

反応式

HRID 51635 の反応式
C([O:3][C:4](=[O:27])[C:5]1[CH:10]=[CH:9][C:8]([C:11]#[C:12][C:13]2[CH:22]=[CH:21][C:20]3[C:19](=[O:23])[CH2:18][CH2:17][C:16]([CH3:25])([CH3:24])[C:15]=3[CH:14]=2)=[CH:7][C:6]=1[F:26])C.[OH-].[Na+]>C(O)C.CO.O1CCCC1>[F:26][C:6]1[CH:7]=[C:8]([C:11]#[C:12][C:13]2[CH:22]=[CH:21][C:20]3[C:19](=[O:23])[CH2:18][CH2:17][C:16]([CH3:25])([CH3:24])[C:15]=3[CH:14]=2)[CH:9]=[CH:10][C:5]=1[C:4]([OH:27])=[O:3]
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

6

反応物 2

HCID 14798Sodium HydroxideHCID 129717122-Fluoro-4-(8,8-dimethyl-5-oxo-5,6,7,8-tetrahydronaphthalen-2-ylethynyl)benzoic acid ethyl ester2 回

生成物 1

HCID 99675692-Fluoro-4-(8,8-dimethl-5-oxo-5,6,7,8-tetrahydro-naphthalen-2yl-ethynyl)-benzoic Acid収率 27.1%

試薬・触媒・溶媒 3

HCID 702Ethanol溶媒HCID 887Methanol
溶媒
HCID 8028Tetrahydrofuran溶媒

反応条件

温度
70 °C

実験手順

A solution of 2-fluoro-4-(8,8-dimethyl-5-oxo-5,6,7,8-tetrahydro-naphthalen-2-ylethynyl)benzoic acid ethyl ester (Compound 9, 0.1 g, 0.274 mmol) in ethanol(4 mL), methanol (2 mL) and tetrahydrofuran (2 mL) was treated with 1 M aqueous sodium hydroxide solution and heated at 70° C. for 1 h. The volatiles were distilled off in vacuo and the residue was diluted with water and dilute hydrochloric acid and extracted with ethyl acetate (×2). The combined organic extract was dried over anhydrous sodium sulfate, filtered and evaporated in vacuo to afford a solid that was recrystallized from hot aqueous acetonitrile to afford the title compound (0.025 g, 27%).

後処理

  1. distillationThe volatiles were distilled off in vacuo
  2. additionthe residue was diluted with water and dilute hydrochloric acid
  3. extractionextracted with ethyl acetate (×2)
  4. extractionThe combined organic extract
  5. dry with materialwas dried over anhydrous sodium sulfate
  6. filtrationfiltered
  7. customevaporated in vacuo
  8. customto afford a solid
  9. customthat was recrystallized from hot aqueous acetonitrile

出典と根拠

ORDレコード
ord-52bb585e8ea34d8d8a6af301ace2638e
出典データセット
uspto-grants-2004_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06713647B2

反応ノート

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このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート