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Sodium Carbonate → (1S)-1-[2-({4-[(E)-2-(4-fluorophenyl)vinyl]-3-methylphenyl}sulfonyl)phenyl]ethanol

HRID 1351674
ノート
印刷プレビュー

反応式

HRID 1351674 の反応式
Br[C:2]1[CH:7]=[CH:6][C:5]([S:8]([C:11]2[CH:16]=[CH:15][CH:14]=[CH:13][C:12]=2[C@@H:17]([OH:19])[CH3:18])(=[O:10])=[O:9])=[CH:4][C:3]=1[CH3:20].[F:21][C:22]1[CH:27]=[CH:26][C:25](/[CH:28]=[CH:29]/B(O)O)=[CH:24][CH:23]=1.C(=O)([O-])[O-].[Na+].[Na+]>[Pd].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1COCC1>[F:21][C:22]1[CH:27]=[CH:26][C:25](/[CH:28]=[CH:29]/[C:2]2[CH:7]=[CH:6][C:5]([S:8]([C:11]3[CH:16]=[CH:15][CH:14]=[CH:13][C:12]=3[C@@H:17]([OH:19])[CH3:18])(=[O:10])=[O:9])=[CH:4][C:3]=2[CH3:20])=[CH:24][CH:23]=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

6

反応物 3

HCID 10340Sodium CarbonateHCID 5706776trans-2-(4-Fluorophenyl)vinylboronic acidHCID 68533488(1S)-1-[2-({4-bromo-3-methylphenyl}sulfonyl)phenyl]ethanol

生成物 1

HCID 11589331(1S)-1-[2-({4-[(E)-2-(4-fluorophenyl)vinyl]-3-methylphenyl}sulfonyl)phenyl]ethanol収率 56.8%

試薬・触媒・溶媒 2

HCID 11979704
Tetrakis(triphenylphosphine)palladium
触媒
HCID 8028Tetrahydrofuran溶媒

反応条件

温度
150 °C

実験手順

An Emrys microwave vial containing (1S)-1-[2-({4-bromo-3-methylphenyl}sulfonyl)phenyl]ethanol (71 mg, 0.2 mmol), [(E)-2-(4-fluorophenyl)vinyl]boronic acid (43 mg, 0.26 mmol), tetrakis(triphenylphosphine) palladium(0) (23 mg, 0.020 mmol), THF (2 mL) and 2M aqueous sodium carbonate (1 mL) was heated in an Emrys microwave reactor at 150° C. for 10 minutes. On cooling, the mixture was partitioned between EtOAc (15 mL) and water (15 mL) and the organic phase was washed with brine, dried (MgSO4), filtered and concentrated in vacuo. The crude material was purified by flash chromatography on silica (eluant 30% EtOAc/isohexane) to afford the title compound as a white solid (45 mg). δH (500 MHz, d6 DMSO): 8.01 (1H, d, J 7.9), 7.88 (1H, d, J 8.2), 7.80 (1H, d, J 7.8), 7.73–7.63 (5H, m), 7.52 (1H, t, J 7.6), 7.37 (1H, d, J 16.3), 7.29 (1H, d, J 16.2), 7.22 (2H, t, J 8.7), 5.45 (1H, s), 5.30 (1H, s), 2.46 (3H, s), 1.11 (3H, d, J 5.9). m/z (ES+) 379 [(M−OH)+].

後処理

  1. temperatureOn cooling
  2. customthe mixture was partitioned between EtOAc (15 mL) and water (15 mL)
  3. washthe organic phase was washed with brine
  4. dry with materialdried (MgSO4)
  5. filtrationfiltered
  6. concentrationconcentrated in vacuo
  7. customThe crude material was purified by flash chromatography on silica (eluant 30% EtOAc/isohexane)

出典と根拠

ORDレコード
ord-1a016663e112446dac92474b126b0f32
出典データセット
uspto-grants-2007_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07217740B2

反応ノート

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