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Acetic Acid → 2-{[(1H-imidazol-2-ylmethyl)-(1-methyl-1H-imidazol-2-ylmethyl)-amino]-methyl}-6-(4-dipropylaminobutyl)-naphthalene

HRID 348752
Notes
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Reaction equation

HRID 348752 reaction equation
[NH:1]1[CH:5]=[CH:4][N:3]=[C:2]1[CH2:6][NH:7][CH2:8][C:9]1[CH:18]=[CH:17][C:16]2[C:11](=[CH:12][CH:13]=[C:14]([CH2:19][CH2:20][CH2:21][CH2:22][N:23]([CH2:27][CH2:28][CH3:29])[CH2:24][CH2:25][CH3:26])[CH:15]=2)[CH:10]=1.C([BH3-])#N.[Na+].C(O)(=O)C.[CH3:38][N:39]1[CH:43]=[CH:42][N:41]=[C:40]1[CH:44]=O>CO>[NH:1]1[CH:5]=[CH:4][N:3]=[C:2]1[CH2:6][N:7]([CH2:8][C:9]1[CH:18]=[CH:17][C:16]2[C:11](=[CH:12][CH:13]=[C:14]([CH2:19][CH2:20][CH2:21][CH2:22][N:23]([CH2:27][CH2:28][CH3:29])[CH2:24][CH2:25][CH3:26])[CH:15]=2)[CH:10]=1)[CH2:44][C:40]1[N:39]([CH3:38])[CH:43]=[CH:42][N:41]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 176Acetic AcidHCID 1395751-Methyl-2-imidazolecarboxaldehydeHCID 5003444Sodium cyanoborohydrideHCID 210843702-{[(1H-imidazol-2-ylmethyl)amino]methyl}-6-(4-dipropylaminobutyl)naphthalene

Product 1

HCID 588019122-{[(1H-imidazol-2-ylmethyl)-(1-methyl-1H-imidazol-2-ylmethyl)-amino]-methyl}-6-(4-dipropylaminobutyl)-naphthalene

Reagents, catalysts & solvents 1

HCID 887MethanolSolvent

Procedure

The compound (39.0 mg) obtained in Example 124-5 was dissolved in anhydrous methanol (1.0 ml) and then added with sodium cyanoborohydride (9.40 mg), acetic acid (1.00 ml), and 1-methyl-2-imidazole carboxaldehyde (12.0 mg), followed by stirring at room temperature for 2 days under a nitrogen atmosphere. After completion of the reaction, the solvent was distilled off and the residue was then dissolved in chloroform. The solution was added with a saturated aqueous sodium bicarbonate solution and stirred. The solution was subjected to extraction with chloroform and the extract was then washed with a saturated aqueous sodium bicarbonate solution and saturated saline solution. The organic layer was dried with anhydrous sodium sulfate and the solvent was then distilled off. The residue was purified through silica gel column chromatography (chloroform/ethyl acetate) and treated with hydrochloric acid, thereby obtaining hydrochloride (16.7 mg) of the subject compound as a white solid.

Workup

  1. customAfter completion of the reaction
  2. distillationthe solvent was distilled off
  3. dissolutionthe residue was then dissolved in chloroform
  4. additionThe solution was added with a saturated aqueous sodium bicarbonate solution
  5. stirringstirred
  6. extractionThe solution was subjected to extraction with chloroform
  7. washthe extract was then washed with a saturated aqueous sodium bicarbonate solution and saturated saline solution
  8. dry with materialThe organic layer was dried with anhydrous sodium sulfate
  9. distillationthe solvent was then distilled off
  10. customThe residue was purified through silica gel column chromatography (chloroform/ethyl acetate)
  11. additiontreated with hydrochloric acid

Sources & evidence

ORD record
ord-0156828164cf4d74a7c11c132cc8622a
Source dataset
uspto-grants-2007_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07176227B2

Reaction notes

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