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Phenol → HCID 21913299, 화합물

HRID 1008072
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HRID 1008072 반응식
[H-].[Na+].[C:3]1([OH:9])[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=1.Cl[C:11]1[C:16]([N+:17]([O-:19])=[O:18])=[C:15]([NH:20][CH2:21][CH2:22][CH2:23][OH:24])[C:14]([CH3:25])=[C:13]([CH3:26])[N:12]=1>O1CCCC1>[CH3:26][C:13]1[C:14]([CH3:25])=[C:15]([NH:20][CH2:21][CH2:22][CH2:23][OH:24])[C:16]([N+:17]([O-:19])=[O:18])=[C:11]([O:9][C:3]2[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=2)[N:12]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 996PhenolHCID 24758Sodium hydrideHCID 21913176HCID 21913176, 화합물

생성물 1

HCID 21913299HCID 21913299, 화합물수율 55.9%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매

실험 절차

Sodium hydride (7.80 g of a 60% dispersion in mineral oil, 195 mmol) was added in portions to a chilled (0° C.) solution of phenol (18.36 g, 195 mmol) in tetrahydrofuran (200 mL). After the addition was completed the reaction mixture was allowed to stir at ambient temperature for 30 minutes. Solid 3-[(2-chloro-5,6-dimethyl-3-nitropyridin-4-yl)amino]propan-1-ol (16.89 g, 65.0 mmol) was added and the reaction mixture was heated at reflux for 5 days. The reaction mixture was concentrated under reduced pressure. The residue was partitioned between ethyl acetate (400 mL) and water (100 mL). The organic layer was separated, washed with brine, dried over sodium sulfate, filtered and then concentrated under reduced pressure. The residue was purified by flash chromatography (500 mL silica gel eluting with a gradient of 30-75% ethyl acetate in hexanes) and then heated under high vacuum until it melted. The melt solidified to provide 11.54 g of 3-[(2,3-dimethyl-5-nitro-6-phenoxypyridin-4-yl)amino]propan-1-ol.

후처리

  1. additionAfter the addition
  2. temperaturethe reaction mixture was heated
  3. temperatureat reflux for 5 days
  4. concentrationThe reaction mixture was concentrated under reduced pressure
  5. customThe residue was partitioned between ethyl acetate (400 mL) and water (100 mL)
  6. customThe organic layer was separated
  7. washwashed with brine
  8. dry with materialdried over sodium sulfate
  9. filtrationfiltered
  10. concentrationconcentrated under reduced pressure
  11. customThe residue was purified by flash chromatography (500 mL silica gel eluting with a gradient of 30-75% ethyl acetate in hexanes) and
  12. temperaturethen heated under high vacuum until it

출처 및 근거

ORD 기록
ord-3c144942af204a919dfd492c1c9723bd
출처 데이터셋
uspto-grants-2004_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06797718B2

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