Sodium borohydride → 4-[5-Fluoro-2-(trifluoromethyl)phenyl]-4-{[4-(trifluoromethyl)phenyl]sulfonyl}cyclohexanol

HRID 1914255노트

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HRID 1914255 반응식
[F:1][C:2]1[CH:3]=[CH:4][C:5]([C:28]([F:31])([F:30])[F:29])=[C:6]([C:8]2([S:15]([C:18]3[CH:23]=[CH:22][C:21]([C:24]([F:27])([F:26])[F:25])=[CH:20][CH:19]=3)(=[O:17])=[O:16])[CH2:13][CH2:12][C:11](=[O:14])[CH2:10][CH2:9]2)[CH:7]=1.[BH4-].[Na+]>C(O)C>[F:1][C:2]1[CH:3]=[CH:4][C:5]([C:28]([F:31])([F:29])[F:30])=[C:6]([C:8]2([S:15]([C:18]3[CH:23]=[CH:22][C:21]([C:24]([F:25])([F:26])[F:27])=[CH:20][CH:19]=3)(=[O:17])=[O:16])[CH2:9][CH2:10][CH:11]([OH:14])[CH2:12][CH2:13]2)[CH:7]=1

참가 물질

4

실험 절차

A 1 L 3-neck round bottom flask equipped with a nitrogen bubbler, thermocouple, stir bar and condenser was charged with 4-[5-fluoro-2-(trifluoromethyl)phenyl]-4-{[4-(trifluoromethyl)phenyl]sulfonyl}cyclohexanone (45 g, 96 mmol) in ethanol (464 ml). Next sodium borohydride (9.67 g, 256 mmol) was added and the reaction was stirred for 30 min. The reaction was quenched by adding HCl (200 ml, 2N) slowly over 10 minutes and then the reaction was poured into HCl (2 L, 2N) and extracted with ethyl acetate (3×1 L). The organic layers were washed with brine, dried over MgSO4, filtered and concentrated to provide 4-[5-fluoro-2-(trifluoromethyl)phenyl]-4-{[4-(trifluoromethyl)phenyl]sulfonyl}cyclohexanol.

후처리

  1. customA 1 L 3-neck round bottom flask equipped with a nitrogen bubbler
  2. stirringthe reaction was stirred for 30 min
  3. customThe reaction was quenched
  4. additionby adding HCl (200 ml, 2N) slowly over 10 minutes
  5. additionthe reaction was poured into HCl (2 L, 2N)
  6. extractionextracted with ethyl acetate (3×1 L)
  7. washThe organic layers were washed with brine
  8. dry with materialdried over MgSO4
  9. filtrationfiltered
  10. concentrationconcentrated

출처 및 근거

ORD 기록
ord-73a442c9383e4d0faba4b48e6ffc4030
출처 데이터셋
uspto-grants-2013_12
특허 번호
US08609897B2

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