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4-(Trifluoromethyl)aniline → (2R,5S)-2,5-bis(4-bromophenyl)-1-(4-(trifluoromethyl)phenyl)pyrrolidine

HRID 1470962
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인쇄 미리보기

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HRID 1470962 반응식
CS(O[CH:6]([C:22]1[CH:27]=[CH:26][C:25]([Br:28])=[CH:24][CH:23]=1)[CH2:7][CH2:8][CH:9](OS(C)(=O)=O)[C:10]1[CH:15]=[CH:14][C:13]([Br:16])=[CH:12][CH:11]=1)(=O)=O.[F:29][C:30]([F:39])([F:38])[C:31]1[CH:37]=[CH:36][C:34]([NH2:35])=[CH:33][CH:32]=1>CN(C=O)C>[Br:16][C:13]1[CH:14]=[CH:15][C:10]([C@H:9]2[CH2:8][CH2:7][C@@H:6]([C:22]3[CH:27]=[CH:26][C:25]([Br:28])=[CH:24][CH:23]=3)[N:35]2[C:34]2[CH:36]=[CH:37][C:31]([C:30]([F:29])([F:38])[F:39])=[CH:32][CH:33]=2)=[CH:11][CH:12]=1
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

4

반응물 2

HCID 99644-(Trifluoromethyl)anilineHCID 582265311,4-Bis(4-bromophenyl)butane-1,4-diyl dimethanesulfonate

생성물 1

HCID 67236564(2R,5S)-2,5-bis(4-bromophenyl)-1-(4-(trifluoromethyl)phenyl)pyrrolidine수율 10%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

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온도
50 °C

실험 절차

The product from Example 42B (11.13 g, 20.0 mmol) and 4-(trifluoromethyl)aniline (Aldrich, 32.2 g, 200 mmol) were combined in DMF (50 mL), stirred at 50° C. under nitrogen for 16 hours, cooled and concentrated. The residue was diluted with ethyl acetate, treated with 1M HCl, stirred for 10 minutes and filtered to remove solids. The organic layer of the filtrate was washed with brine, dried (Na2SO4), filtered and concentrated. The residue was purified by flash chromatography (silica gel, 0 to 1% ethyl acetate/hexane) to give the title compound (1.0 g, 10%) as the second eluting stereoisomer. MS (ESI+) m/z 526 (M+H)+.

후처리

  1. temperaturecooled
  2. concentrationconcentrated
  3. additionThe residue was diluted with ethyl acetate
  4. additiontreated with 1M HCl
  5. stirringstirred for 10 minutes
  6. filtrationfiltered
  7. customto remove solids
  8. washThe organic layer of the filtrate was washed with brine
  9. dry with materialdried (Na2SO4)
  10. filtrationfiltered
  11. concentrationconcentrated
  12. customThe residue was purified by flash chromatography (silica gel, 0 to 1% ethyl acetate/hexane)

출처 및 근거

ORD 기록
ord-b0cb413cdcca408bb67d9ae30fd39c6f
출처 데이터셋
uspto-grants-2015_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09006387B2

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