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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
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HRID 8950 반응식
[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
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참가 물질

6

반응물 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

생성물 1

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

시약·촉매·용매 2

HCID 150191
Sodium Tungstate Dihydrate
촉매
HCID 887Methanol용매

실험 절차

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.

후처리

  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)

출처 및 근거

ORD 기록
ord-06ce467704a54a0da0b610410266fe46
출처 데이터셋
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07091217B2

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