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Hydrochloric Acid → (2S, 3S)-3-(5-(1,1-Difluoroethyl)-2-(trifluoromethoxy)benzyl)amino-2-phenylpiperidine

HRID 2269253
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HRID 2269253 반응식
C(OC([N:8]1[CH2:13][CH2:12][CH2:11][C@H:10]([NH:14][CH2:15][C:16]2[CH:21]=[C:20]([C:22]([F:25])([F:24])[CH3:23])[CH:19]=[CH:18][C:17]=2[O:26][C:27]([F:30])([F:29])[F:28])[C@@H:9]1[C:31]1[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=1)=O)(C)(C)C.Cl.[OH-].[Na+]>C(OCC)(=O)C>[F:25][C:22]([C:20]1[CH:19]=[CH:18][C:17]([O:26][C:27]([F:28])([F:29])[F:30])=[C:16]([CH:21]=1)[CH2:15][NH:14][C@H:10]1[CH2:11][CH2:12][CH2:13][NH:8][C@H:9]1[C:31]1[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=1)([F:24])[CH3:23]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 70001814(2S,3S)-1-tert-Butoxycarbonyl-3-(5-(1,1-difluoroethyl)-2-(trifluoromethoxy)benzyl)amino-2-phenylpiperidine

생성물 1

HCID 57090611(2S, 3S)-3-(5-(1,1-Difluoroethyl)-2-(trifluoromethoxy)benzyl)amino-2-phenylpiperidine수율 70%

시약·촉매·용매 1

HCID 8857
Ethyl Acetate
용매

실험 절차

To a stirred solution of Compound 26 (660 mg, 1.25 mmol) in ethyl acetate (6 ml) was added c. HCl aq. (2 ml) with ice-cooling. The reaction mixture was stirred at room temperature for 50 min. The mixture was basified to pH10-11 with 10% NaOH aq. with ice-cooling. The organic layer was separated and the aqueous layer was extracted with AcOEt. The combined solution was washed with brine, dried (MgSO4), and concentrated in vacuo to give crude product as a pale yellow oil. The crude product was purified by column chromatography on silica gel with dichloromethane-methanol (20:1) to give Compound 27 (360 mg, 70%) as a yellow oil.

후처리

  1. temperaturecooling
  2. customThe organic layer was separated
  3. extractionthe aqueous layer was extracted with AcOEt
  4. washThe combined solution was washed with brine
  5. dry with materialdried (MgSO4)
  6. concentrationconcentrated in vacuo
  7. customto give crude product as a pale yellow oil
  8. customThe crude product was purified by column chromatography on silica gel with dichloromethane-methanol (20:1)

출처 및 근거

ORD 기록
ord-8971dbd0e3b04b2f9b9f41946fac5485
출처 데이터셋
uspto-grants-2001_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06329396B1

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