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Sodium Thiosulfate → 3-hydroxy-5-{[(1S)-1-(hydroxymethyl)propyl]oxy}-N-(1-methyl-1H-pyrazol-3-yl)benzamide

HRID 1175923
ノート
印刷プレビュー

反応式

HRID 1175923 の反応式
[OH:1][C:2]1[CH:3]=[C:4]([CH:14]=[C:15]([O:17][C@H:18]([CH2:21][O:22]C)[CH2:19][CH3:20])[CH:16]=1)[C:5]([NH:7][C:8]1[CH:12]=[CH:11][N:10]([CH3:13])[N:9]=1)=[O:6].I[Si](C)(C)C.C(=O)([O-])O.[Na+].S([O-])([O-])(=O)=S.[Na+].[Na+]>C(#N)C>[OH:1][C:2]1[CH:3]=[C:4]([CH:14]=[C:15]([O:17][C@H:18]([CH2:21][OH:22])[CH2:19][CH3:20])[CH:16]=1)[C:5]([NH:7][C:8]1[CH:12]=[CH:11][N:10]([CH3:13])[N:9]=1)=[O:6]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 24477Sodium ThiosulfateHCID 85247Trimethylsilyl iodideHCID 516892Sodium BicarbonateHCID 591271273-hydroxy-5-{[(1S)-1-(methoxymethyl)propyl]oxy}-N-(1-methyl-1H-pyrazol-3-yl)benzamide

生成物 1

HCID 591271493-hydroxy-5-{[(1S)-1-(hydroxymethyl)propyl]oxy}-N-(1-methyl-1H-pyrazol-3-yl)benzamide収率 82.9%

試薬・触媒・溶媒 1

HCID 6342Acetonitrile溶媒

実験手順

To a solution of 3-hydroxy-5-({(1S)-1-[(methyloxy)methyl]propyl}oxy)-N-(1-methyl-1H-pyrazol-3-yl)benzamide (500 mg, 1.6 mmol) in acetonitrile (25 mL), iodotrimethylsilane (1.11 mL, 7.8 mmol) was added and the resulting mixture stirred for 16 hours. Saturated sodium hydrogencarbonate solution (10 mL) was added, the solution stirred for 10 mins, saturated aqueous sodium thiosulfate (5 mL) was added then the acetonitrile was removed in vacuo. The residual aqueous layer was extracted with ethyl acetate (3×40 mL) and the organic layers combined, dried (MgSO4), filtered and evaporated and purified by column chromatography, eluting with 85% ethyl acetate in isohexane, to give the title compound as a colourless foam (405 mg). 1H NMR δ (d6-DMSO): 0.95 (t, 3H), 1.5-1.8 (m, 2H), 3.5 (m, 2H), 3.8 (s, 3H), 4.3 (m, 1H), 4.8 (t, 1H), 6.45 (s, 1H), 6.55 (s, 1H), 6.9 (s, 1H), 7.05 (s, 1H), 7.55 (s, 1H), 9.6 (s, 1H); m/z 306 (M+H)+

後処理

  1. stirringthe solution stirred for 10 mins
  2. customthe acetonitrile was removed in vacuo
  3. extractionThe residual aqueous layer was extracted with ethyl acetate (3×40 mL)
  4. dry with materialdried (MgSO4)
  5. filtrationfiltered
  6. customevaporated
  7. custompurified by column chromatography
  8. washeluting with 85% ethyl acetate in isohexane

出典と根拠

ORDレコード
ord-89d74c3cfdcd47429480a14a2f75c8f4
出典データセット
uspto-grants-2010_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07842694B2

反応ノート

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