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Methyl iodide → Methyl 1-[(2'-t-butoxycarbonylbiphenyl-4-yl)methyl]-2-butyl-4-(methoxymethyl)imidazole-5-carboxylate

HRID 265026
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HRID 265026 반응식
[H-].[Na+].[C:3]([O:7][C:8]([C:10]1[CH:15]=[CH:14][CH:13]=[CH:12][C:11]=1[C:16]1[CH:21]=[CH:20][C:19]([CH2:22][N:23]2[C:27]([C:28]([O:30][CH3:31])=[O:29])=[C:26]([C:32]([O:34][CH3:35])=O)[N:25]=[C:24]2[CH2:36][CH2:37][CH2:38][CH3:39])=[CH:18][CH:17]=1)=[O:9])([CH3:6])([CH3:5])[CH3:4].IC.C(OCC)(=O)C>CN(C)C(=O)C.O>[C:3]([O:7][C:8]([C:10]1[CH:15]=[CH:14][CH:13]=[CH:12][C:11]=1[C:16]1[CH:21]=[CH:20][C:19]([CH2:22][N:23]2[C:27]([C:28]([O:30][CH3:31])=[O:29])=[C:26]([CH2:32][O:34][CH3:35])[N:25]=[C:24]2[CH2:36][CH2:37][CH2:38][CH3:39])=[CH:18][CH:17]=1)=[O:9])([CH3:6])([CH3:5])[CH3:4]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 6328Methyl iodideHCID 8857Ethyl AcetateHCID 24758Sodium hydrideHCID 19036225Dimethyl 1-[(2'-t-butoxycarbonylbiphenyl-4-yl)methyl]-2-butylimidazole-4,5-dicarboxylate

생성물 1

HCID 19036253Methyl 1-[(2'-t-butoxycarbonylbiphenyl-4-yl)methyl]-2-butyl-4-(methoxymethyl)imidazole-5-carboxylate수율 64.5%

시약·촉매·용매 2

HCID 962Water용매HCID 31374Dimethylacetamide용매

실험 절차

0.057 g of sodium hydride (as a 55% w/w dispersion in mineral oil) was added to a solution of 0.478 g of methyl 1-[(2'-t-butoxycarbonylbiphenyl-4-yl)methyl]-2-butyl-4-hydroxymethylimidazole-5-carboxylate (prepared as described in Example 1) in 5 ml of N,N-dimethylacetamide, and the resulting mixture was stirred at room temperature for 30 minutes. At the end of this time, 0.125 ml of iodomethane were added, and the reaction mixture was stirred at 50° C. for 3 hours. The reaction mixture was then mixed with ethyl acetate and water. The ethyl acetate layer was separated and dried over anhydrous magnesium sulfate; the solvent was then removed by distillation under reduced pressure. The resulting residue was purified by column chromatography through silica gel, using a 1:1 by volume mixture of ethyl acetate and methylene chloride as the eluent, to give 0.30 g of the title compound as a gum.

후처리

  1. stirringthe reaction mixture was stirred at 50° C. for 3 hours
  2. customThe ethyl acetate layer was separated
  3. dry with materialdried over anhydrous magnesium sulfate
  4. customthe solvent was then removed by distillation under reduced pressure
  5. customThe resulting residue was purified by column chromatography through silica gel
  6. additionby volume mixture of ethyl acetate and methylene chloride as the eluent

출처 및 근거

ORD 기록
ord-eea410db976c4d76aaeb17d6808c0481
출처 데이터셋
uspto-grants-1997_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05646171

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