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Hydrogen Peroxide → 4-{[(1H-Benzimidazol-2-ylmethyl)-(5,6,7,8-tetrahydro-quinolin-8-yl)-amino]-methyl}-benzaldehyde oxime

HRID 8950
ノート
印刷プレビュー

反応式

HRID 8950 の反応式
[NH:1]1[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[N:3]=[C:2]1[CH2:10][N:11]([CH:21]1[C:30]2[N:29]=[CH:28][CH:27]=[CH:26][C:25]=2[CH2:24][CH2:23][CH2:22]1)[CH2:12][C:13]1[CH:18]=[CH:17][C:16]([CH2:19][NH2:20])=[CH:15][CH:14]=1.OO.C(=O)(O)[O-:34].[Na+]>CO.O.O.[O-][W]([O-])(=O)=O.[Na+].[Na+]>[NH:1]1[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[N:3]=[C:2]1[CH2:10][N:11]([CH2:12][C:13]1[CH:14]=[CH:15][C:16]([CH:19]=[N:20][OH:34])=[CH:17][CH:18]=1)[CH:21]1[C:30]2[N:29]=[CH:28][CH:27]=[CH:26][C:25]=2[CH2:24][CH2:23][CH2:22]1
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 3

HCID 784Hydrogen PeroxideHCID 516892Sodium BicarbonateHCID 21985008N-[(1H-Benzo[d]imidazol-2-yl)methyl]-N-(4-(aminomethyl)-benzyl)-5,6,7,8-tetrahydroquinolin-8-amine

生成物 1

HCID 738578984-{[(1H-Benzimidazol-2-ylmethyl)-(5,6,7,8-tetrahydro-quinolin-8-yl)-amino]-methyl}-benzaldehyde oxime収率 63%

試薬・触媒・溶媒 2

HCID 150191
Sodium Tungstate Dihydrate
触媒
HCID 887Methanol溶媒

実験手順

To a stirred solution of N′-(1H-benzimidazol-2-ylmethyl)-N′-(5,6,7,8-tetrahydro-8-quinolinyl)-1,4-benzenedimethanamine (200 mg, 0.50 mmol) in MeOH (5 mL) was added solid sodium tungstate dihydrate (332 mg, 1.0 mmol) followed by a 35 wt % aqueous solution of hydrogen peroxide (2.9 mL, 30 mmol). The resulting suspension was stirred 3 h, then saturated aqueous sodium bicarbonate (5 mL) was added. The phases were separated and the aqueous layer was extracted with CH2Cl2 (3×10 mL), then the combined organic extracts were washed once with brine (10 mL), dried (MgSO4), and concentrated in vacuo. Purification of the crude material by flash chromatography (silica gel, 75:1:1 CH2Cl2MeOH/NH4OH) afforded the title compound (130 mg, 63%) as a white solid. 1H NMR (CDCl3) δ 1.63–1.66 (m, 1H), 1.97–2.07 (m, 2H), 2.25–2.27 (m, 1H), 2.66–2.72 (m, 1H), 2.80–2.85 (m, 1H), 3.65 (d, 1H, J=14 Hz), 3.71 (d, 1H, J=14 Hz), 5.03 (d, 1H, J=16 Hz), 4.14 (dd, 1H, J=9, 7 Hz), 4.21 (d, 1H, J=16 Hz), 7.11–7.19 (m, 3H), 7.41–7.48 (m, 6H), 7.65 (br d, 1H, J=5 Hz), 8.18 (s, 1H), 8.67 (dd, 1H, J=5, 1 Hz); 13C NMR (CDCl3) δ 22.2, 23.9, 30.2, 49.5, 55.0, 61.2, 112.1, 119.4, 122.7, 123.3, 127.8, 130.1, 133.0, 136.2, 138.7, 141.4, 147.8, 150.0, 156.2, 157.7. ES-MS m/z 412 (M+H). Anal. Calcd. for C25H25N5O.0.4H2O.0.3CH2Cl2: C, 68.41; H, 5.99; N, 15.77. Found: C, 68.57; H, 5.86; N, 15.48.

後処理

  1. customThe phases were separated
  2. extractionthe aqueous layer was extracted with CH2Cl2 (3×10 mL)
  3. washthe combined organic extracts were washed once with brine (10 mL)
  4. dry with materialdried (MgSO4)
  5. concentrationconcentrated in vacuo
  6. customPurification of the crude material by flash chromatography (silica gel, 75:1:1 CH2Cl2MeOH/NH4OH)

出典と根拠

ORDレコード
ord-06ce467704a54a0da0b610410266fe46
出典データセット
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07091217B2

反応ノート

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