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Hydrochloric Acid → 2-(4-(1-(4-(trifluoromethoxy)phenyl)-1H-1,2,4-triazol-3-yl)phenyl)cyclopropanecarboxylic acid

HRID 573821
ノート
印刷プレビュー

反応式

HRID 573821 の反応式
[F:1][C:2]([F:30])([F:29])[O:3][C:4]1[CH:9]=[CH:8][C:7]([N:10]2[CH:14]=[N:13][C:12]([C:15]3[CH:20]=[CH:19][C:18]([CH:21]4[CH2:23][CH:22]4[C:24]([O:26]CC)=[O:25])=[CH:17][CH:16]=3)=[N:11]2)=[CH:6][CH:5]=1.[OH-].[Na+].Cl>CO>[F:30][C:2]([F:1])([F:29])[O:3][C:4]1[CH:9]=[CH:8][C:7]([N:10]2[CH:14]=[N:13][C:12]([C:15]3[CH:20]=[CH:19][C:18]([CH:21]4[CH2:23][CH:22]4[C:24]([OH:26])=[O:25])=[CH:17][CH:16]=3)=[N:11]2)=[CH:6][CH:5]=1
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 3

HCID 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 90404224ethyl 2-(4-(1-(4-(trifluoromethoxy)phenyl)-1H-1,2,4-triazol-3-yl)phenyl)cyclopropanecarboxylate

生成物 1

HCID 904043052-(4-(1-(4-(trifluoromethoxy)phenyl)-1H-1,2,4-triazol-3-yl)phenyl)cyclopropanecarboxylic acid収率 115.9%

試薬・触媒・溶媒 1

HCID 887Methanol
溶媒

実験手順

To ethyl 2-(4-(1-(4-(trifluoromethoxy)phenyl)-1H-1,2,4-triazol-3-yl)phenyl)-cyclopropane-carboxylate (C19) (1.50 g, 3.59 mmol) in methanol (24 mL) was added sodium hydroxide (2 N, 7.20 mL, 14.4 mmol) and stirred at room temperature for 4 hours. The reaction was acidified with hydrogen chloride (2 N) and the methanol was evaporated off under vacuum. The aqueous solution was extracted with ethyl acetate (2×), dried over anhydrous sodium sulfate, filtered, and concentrated to afford the title compound as a yellow oil (1.62 g, 98%): 1H NMR (400 MHz, CDCl3) δ 8.58 (s, 1H), 8.13-8.08 (m, 2H), 7.83-7.77 (m, 3H), 7.40 (t, J=5.9 Hz, 4H), 7.22 (d, J=8.3 Hz, 2H), 2.65 (ddd, J=6.7, 5.3, 2.8 Hz, 2H), 2.03-1.95 (m, 1H), 1.76-1.66 (m, 2H), 1.47 (ddd, J=8.4, 6.6, 4.7 Hz, 2H); 19F NMR (376 MHz, CDCl3) δ −58.03; ESIMS m/z 390 ([M+H]+).

後処理

  1. customthe methanol was evaporated off under vacuum
  2. extractionThe aqueous solution was extracted with ethyl acetate (2×)
  3. dry with materialdried over anhydrous sodium sulfate
  4. filtrationfiltered
  5. concentrationconcentrated

出典と根拠

ORDレコード
ord-bcb11a09a1f14c2380076ec639375b77
出典データセット
uspto-grants-2015_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09029560B2

反応ノート

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