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Imidazole → 5-Pyridin-3-yl-thiophene-2-sulfonic acid {1-[2-(tert-butyl-dimethyl-silanyloxy)-5-cyano-benzyl]-2-oxo-pyrrolidin-3-(S)-yl}amide

HRID 2774
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HRID 2774 반응식
N1C=CN=C1.[C:6]([Si:10]([CH3:13])([CH3:12])Cl)([CH3:9])([CH3:8])[CH3:7].[C:14]([C:16]1[CH:17]=[CH:18][C:19]([OH:44])=[C:20]([CH:43]=1)[CH2:21][N:22]1[CH2:26][CH2:25][CH:24]([NH:27][S:28]([C:31]2[S:32][C:33]([C:36]3[CH:37]=[N:38][CH:39]=[CH:40][CH:41]=3)=[CH:34][CH:35]=2)(=[O:30])=[O:29])[C:23]1=[O:42])#[N:15]>CN(C=O)C.CCOC(C)=O>[C:6]([Si:10]([CH3:13])([CH3:12])[O:44][C:19]1[CH:18]=[CH:17][C:16]([C:14]#[N:15])=[CH:43][C:20]=1[CH2:21][N:22]1[CH2:26][CH2:25][C@H:24]([NH:27][S:28]([C:31]2[S:32][C:33]([C:36]3[CH:37]=[N:38][CH:39]=[CH:40][CH:41]=3)=[CH:34][CH:35]=2)(=[O:30])=[O:29])[C:23]1=[O:42])([CH3:9])([CH3:8])[CH3:7]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 3

HCID 795ImidazoleHCID 28928tert-Butyldimethylsilyl chlorideHCID 542646135-Pyridin-3-yl-thiophene-2-sulfonic acid {1-[5-cyano-2-hydroxy-benzyl]-2-oxo-pyrrolidin-3-yl}-amide

생성물 1

HCID 542979775-Pyridin-3-yl-thiophene-2-sulfonic acid {1-[2-(tert-butyl-dimethyl-silanyloxy)-5-cyano-benzyl]-2-oxo-pyrrolidin-3-(S)-yl}amide수율 74.5%

시약·촉매·용매 2

HCID 6228
Dimethylformamide
용매
HCID 8857Ethyl Acetate용매

실험 절차

Imidazole (0.094 g, 1.37 mmol) and t-butyldimethylchlorosilane (0.099 g, 0.66 mmol) are added to a solution of 5-pyridin-3-yl-thiophene-2-sulfonic acid {1-[5-cyano-2-hydroxy-benzyl]-2-oxo-pyrrolidin-3-yl}-amide (0.25 g, 0.55 mmol) in 10 mL of DMF. The resulting mixture is stirred overnight, then diluted with EtOAc and washed with saturated NaHCO3 (aq) and brine. The organic layer is dried over MgSO4, filtered and concentrated. The product is purified by column chromatography eluting with 3% MeOH/CH2Cl2 to give a brown oil (0.236 g, 0.41 mmol).

후처리

  1. washwashed with saturated NaHCO3 (aq) and brine
  2. dry with materialThe organic layer is dried over MgSO4
  3. filtrationfiltered
  4. concentrationconcentrated
  5. customThe product is purified by column chromatography
  6. washeluting with 3% MeOH/CH2Cl2

출처 및 근거

ORD 기록
ord-a640257498cc4980927471255d5a0aa0
출처 데이터셋
uspto-grants-1998_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05731315

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