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Imidazole → 3-(2-{[tert-Butyl(diphenyl)silyl]oxy}ethyl)-1-(2,6-dimethyl-4-nitrophenyl)pyridin-2(1H)-one

HRID 85226
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HRID 85226 반응식
[CH3:1][C:2]1[CH:7]=[C:6]([N+:8]([O-:10])=[O:9])[CH:5]=[C:4]([CH3:11])[C:3]=1[N:12]1[CH:17]=[CH:16][CH:15]=[C:14]([CH2:18][CH2:19][OH:20])[C:13]1=[O:21].N1C=CN=C1.[C:27]([Si:31](Cl)([C:38]1[CH:43]=[CH:42][CH:41]=[CH:40][CH:39]=1)[C:32]1[CH:37]=[CH:36][CH:35]=[CH:34][CH:33]=1)([CH3:30])([CH3:29])[CH3:28].O>CN(C)C=O.C(OCC)(=O)C>[Si:31]([O:20][CH2:19][CH2:18][C:14]1[C:13](=[O:21])[N:12]([C:3]2[C:2]([CH3:1])=[CH:7][C:6]([N+:8]([O-:10])=[O:9])=[CH:5][C:4]=2[CH3:11])[CH:17]=[CH:16][CH:15]=1)([C:27]([CH3:30])([CH3:29])[CH3:28])([C:38]1[CH:39]=[CH:40][CH:41]=[CH:42][CH:43]=1)[C:32]1[CH:37]=[CH:36][CH:35]=[CH:34][CH:33]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 795ImidazoleHCID 962WaterHCID 94078tert-ButyldiphenylchlorosilaneHCID 545754381-(2,6-Dimethyl-4-nitrophenyl)-3-(2-hydroxyethyl)pyridin-2(1H)-one

생성물 1

HCID 594101853-(2-{[tert-Butyl(diphenyl)silyl]oxy}ethyl)-1-(2,6-dimethyl-4-nitrophenyl)pyridin-2(1H)-one

시약·촉매·용매 2

HCID 6228
Dimethylformamide
용매
2회
HCID 8857Ethyl Acetate용매

실험 절차

100 g (346 mmol) of the compound from Example 61A (alternative synthesis) and 30.7 g (450 mmol) of imidazole are dissolved in 1 l of anhydrous N,N-dimethylformamide. A solution of 117 g (416 mmol) of tert-butyl(chloro)diphenylsilane in 150 ml of N,N-dimethylformamide is added dropwise, and the mixture is stirred at RT for 3 h. Water and ethyl acetate are then added, the phases are separated and the organic phase is washed with water, dried over sodium sulphate, filtered and evaporated under reduced pressure. The residue is triturated with petroleum ether/diethyl ether (10:1). After filtration, the residue is washed with petroleum ether and then air-dried. This gives 150 g (82% of theory) of the desired product.

후처리

  1. customthe phases are separated
  2. washthe organic phase is washed with water
  3. dry with materialdried over sodium sulphate
  4. filtrationfiltered
  5. customevaporated under reduced pressure
  6. customThe residue is triturated with petroleum ether/diethyl ether (10:1)
  7. filtrationAfter filtration
  8. washthe residue is washed with petroleum ether
  9. customair-dried

출처 및 근거

ORD 기록
ord-458b648b30b94d4699020e7620ff50ca
출처 데이터셋
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08846934B2

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