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2-Methyl-2-butene → 6-Chloro-5-(4-(1-(hydroxymethyl)cyclobutyl)phenyl)-1h-indole-3-carboxylic acid

HRID 1054741
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HRID 1054741 반응식
[Cl:1][C:2]1[CH:10]=[C:9]2[C:5]([C:6]([CH:11]=[O:12])=[CH:7][NH:8]2)=[CH:4][C:3]=1[C:13]1[CH:18]=[CH:17][C:16]([C:19]2([CH2:23][OH:24])[CH2:22][CH2:21][CH2:20]2)=[CH:15][CH:14]=1.CC(=CC)C.Cl([O-])=[O:31].[Na+].O.OP([O-])(O)=O.[Na+]>C(#N)C.C(O)(C)(C)C.O>[Cl:1][C:2]1[CH:10]=[C:9]2[C:5]([C:6]([C:11]([OH:31])=[O:12])=[CH:7][NH:8]2)=[CH:4][C:3]=1[C:13]1[CH:18]=[CH:17][C:16]([C:19]2([CH2:23][OH:24])[CH2:22][CH2:21][CH2:20]2)=[CH:15][CH:14]=1
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참가 물질

8

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HCID 105532-Methyl-2-buteneHCID 516949Sodium Phosphate, Monobasic, MonohydrateHCID 23668197Sodium ChloriteHCID 866987376-chloro-5-{4-[1-(hydroxymethyl)cyclobutyl]phenyl}-1H-indole-3-carbaldehyde

생성물 1

HCID 717659566-Chloro-5-(4-(1-(hydroxymethyl)cyclobutyl)phenyl)-1h-indole-3-carboxylic acid수율 32%

시약·촉매·용매 3

HCID 962Water용매HCID 6342Acetonitrile용매HCID 6386tert-Butanol용매

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온도
0 °C

실험 절차

To a mixture of 6-chloro-5-{4-[1-(hydroxymethyl)cyclobutyl]phenyl}-1H-indole-3-carbaldehyde (80 mg, 0.24 mmol) in acetonitrile (6 mL) and tert-butanol (6 mL) was added 2-methyl-2-butene (3 mL). The reaction mixture was cooled to 0° C. and treated with a solution of sodium chlorite (420 mg, 4.80 mmol) and sodium phosphate monobasic hydrate (650 mg, 4.80 mmol) in water (3 mL) dropwise via additional funnel. The ice bath was removed, and the reaction mixture was stirred at room temperature for 24 hours. The solvent was removed in vacuo to give a residue, which was purified by prep-HPLC (Kromasil Eternity-5-C18 150*30 mm*5 μm Mobile phase: from 35% MeCN in water (0.1% TFA) to 50% MeCN in water (0.1% TFA); Wavelength: 220 nm Flow rate: 30 mL/min) to give 6-chloro-5-{4-[1-(hydroxymethyl)cyclobutyl]phenyl}-1H-indole-3-carboxylic acid (25 mg, 32% yield) as a white solid. MS (ES+) 377.9 (M+Na)+. 1H NMR (400 MHz, CD3OD) δ 8.01 (s, 1H), 7.97 (s, 1H), 7.57 (s, 1 H), 7.39 (d, 2 H), 7.23 (d, 2 H), 3.70 (s, 2H), 2.39-2.30 (m, 4 H), 2.11-2.09 (m, 1 H), 1.92-1.91 (m, 1 H).

후처리

  1. customThe ice bath was removed
  2. customThe solvent was removed in vacuo
  3. customto give a residue, which
  4. customwas purified by prep-HPLC (Kromasil Eternity-5-C18 150*30 mm*5 μm Mobile phase: from 35% MeCN in water (0.1% TFA) to 50% MeCN in water (0.1% TFA); Wavelength: 220 nm Flow rate: 30 mL/min)

출처 및 근거

ORD 기록
ord-ccd9db566ada46a59619d983829fed40
출처 데이터셋
uspto-grants-2016_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09394285B2

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