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

HRID 1054741
ノート
印刷プレビュー

反応式

HRID 1054741 の反応式
[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
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

8

反応物 4

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

生成物 1

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

試薬・触媒・溶媒 3

HCID 962Water溶媒HCID 6342Acetonitrile溶媒HCID 6386tert-Butanol溶媒

反応条件

温度
0 °C

実験手順

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).

後処理

  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)

出典と根拠

ORDレコード
ord-ccd9db566ada46a59619d983829fed40
出典データセット
uspto-grants-2016_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09394285B2

反応ノート

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