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Trimethyl orthoformate → [4-(6-{[(1H-imidazol-2-ylmethyl)amino]methyl}-1-propyl-1H-benzimidazol-2-yl)butyl]dipropylamine

HRID 2080720
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HRID 2080720 반응식
[NH2:1][CH2:2][C:3]1[CH:4]=[CH:5][C:6]2[N:10]=[C:9]([CH2:11][CH2:12][CH2:13][CH2:14][N:15]([CH2:19][CH2:20][CH3:21])[CH2:16][CH2:17][CH3:18])[N:8]([CH2:22][CH2:23][CH3:24])[C:7]=2[CH:25]=1.C(OC)(OC)OC.[NH:33]1[CH:37]=[CH:36][N:35]=[C:34]1[CH:38]=O.[BH4-].[Na+]>CO>[NH:33]1[CH:37]=[CH:36][N:35]=[C:34]1[CH2:38][NH:1][CH2:2][C:3]1[CH:4]=[CH:5][C:6]2[N:10]=[C:9]([CH2:11][CH2:12][CH2:13][CH2:14][N:15]([CH2:16][CH2:17][CH3:18])[CH2:19][CH2:20][CH3:21])[N:8]([CH2:22][CH2:23][CH3:24])[C:7]=2[CH:25]=1
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참가 물질

6

반응물 4

HCID 9005Trimethyl orthoformateHCID 249551H-imidazole-2-carbaldehydeHCID 4311764Sodium borohydrideHCID 23079304[4-(6-aminomethyl-1-propyl-1H-benzimidazol-2-yl)butyl]dipropylamine

생성물 1

HCID 23155443[4-(6-{[(1H-imidazol-2-ylmethyl)amino]methyl}-1-propyl-1H-benzimidazol-2-yl)butyl]dipropylamine수율 39.9%

시약·촉매·용매 1

HCID 887Methanol용매

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온도
0 °C

실험 절차

The compound (130 mg) obtained in Example 3-6 was dissolved in methanol (3.0 ml) and added with trimethyl orthoformate (0.130 ml) and 2-imidazole carboxaldehyde (37.3 mg) and the whole was stirred for 1 hour. After having been cooled to 0° C., the solution was added with sodium borohydride (21.5 mg) and stirred at room temperature for 3 hours. After completion of the reaction, the solvent was distilled off under reduced pressure and the residue was then dissolved in chloroform. The solution was washed with a 1 mol/l sodium hydroxide aqueous solution and then subjected to extraction with chloroform. The organic layer was washed with a saturated saline solution and then dried with anhydrous sodium sulfate. After filtration, the solvent was distilled off under reduced pressure. Then, the residue was purified through silica gel column chromatography (chloroform/methanol), thereby obtaining the subject compound (64.0 mg) as a pale-yellow oily substance.

후처리

  1. stirringstirred at room temperature for 3 hours
  2. customAfter completion of the reaction
  3. distillationthe solvent was distilled off under reduced pressure
  4. dissolutionthe residue was then dissolved in chloroform
  5. washThe solution was washed with a 1 mol/l sodium hydroxide aqueous solution
  6. extractionsubjected to extraction with chloroform
  7. washThe organic layer was washed with a saturated saline solution
  8. dry with materialdried with anhydrous sodium sulfate
  9. filtrationAfter filtration
  10. distillationthe solvent was distilled off under reduced pressure
  11. customThen, the residue was purified through silica gel column chromatography (chloroform/methanol)

출처 및 근거

ORD 기록
ord-973d77cce21c4e418c0e701b62754d9f
출처 데이터셋
uspto-grants-2011_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07932281B2

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