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Potassium Hydroxide → [2-Fluoro-4-(8-hydroxy-2,2,4,4-tetramethyl-chroman-6-ylethynyl)-phenyl]-acetic acid

HRID 1869857
ノート
印刷プレビュー

反応式

HRID 1869857 の反応式
C[O:2][C:3](=[O:29])[CH2:4][C:5]1[CH:10]=[CH:9][C:8]([C:11]#[C:12][C:13]2[CH:14]=[C:15]3[C:20](=[C:21]([OH:23])[CH:22]=2)[O:19][C:18]([CH3:25])([CH3:24])[CH2:17][C:16]3([CH3:27])[CH3:26])=[CH:7][C:6]=1[F:28].[OH-].[K+]>CO.O1CCCC1>[F:28][C:6]1[CH:7]=[C:8]([C:11]#[C:12][C:13]2[CH:14]=[C:15]3[C:20](=[C:21]([OH:23])[CH:22]=2)[O:19][C:18]([CH3:25])([CH3:24])[CH2:17][C:16]3([CH3:26])[CH3:27])[CH:9]=[CH:10][C:5]=1[CH2:4][C:3]([OH:29])=[O:2]
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 2

HCID 14797Potassium HydroxideHCID 69075483[2-Fluoro-4-(8-hydroxy-2,2,4,4-tetramethyl-chroman-6-ylethynyl)phenyl]-acetic acid methyl ester2 回

生成物 1

HCID 11234414[2-Fluoro-4-(8-hydroxy-2,2,4,4-tetramethyl-chroman-6-ylethynyl)-phenyl]-acetic acid収率 127.3%

試薬・触媒・溶媒 2

HCID 887Methanol溶媒HCID 8028Tetrahydrofuran
溶媒

実験手順

A solution of [2-fluoro-4-(8-hydroxy-2,2,4,4-tetramethyl-chroman-6-ylethynyl)phenyl]-acetic acid methyl ester (Intermediate 21, 0.037 g, 0.0493 mmol) in methanol (2 mL) and tetrahydrofuran (1 mL) was treated with a 2M solution of potassium hydroxide (2 mL, 4 mmol) and the resulting reaction mixture was stirred at ambient temperature for 2 h. The volatiles were evaporated in vacuo to a residue that was neutralized with saturated aqueous ammonium chloride solution and extracted with ethyl acetate. The organic phase was washed with water and brine, and dried over anhydrous magnesium sulfate, filtered and evaporated in vacuo to afford the title product (0.024 g, 69%).

後処理

  1. customthe resulting reaction mixture
  2. customThe volatiles were evaporated in vacuo to a residue that
  3. extractionextracted with ethyl acetate
  4. washThe organic phase was washed with water and brine
  5. dry with materialdried over anhydrous magnesium sulfate
  6. filtrationfiltered
  7. customevaporated in vacuo

出典と根拠

ORDレコード
ord-13d9d67ad95e43a2af2605dc5a43e53b
出典データセット
uspto-grants-2009_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07638648B2

反応ノート

読み込み中…

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