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benzyl 4-((S)-1-((4-((R)-4-((S)-1-(tert-butoxy)ethyl)-2-oxooxazolidin-3-yl)-5-fluoropyrimidin-2-yl)amino)ethyl)piperidine-1-carboxylate → (R)-4-((S)-1-(tert-butoxy)ethyl)-3-(5-fluoro-2-(((S)-1-(piperidin-4-yl)ethyl)amino)pyrimidin-4-yl)oxazolidin-2-one

HRID 57470
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HRID 57470 반응식
[C:1]([O:5][C@H:6]([C@H:8]1[CH2:12][O:11][C:10](=[O:13])[N:9]1[C:14]1[C:19]([F:20])=[CH:18][N:17]=[C:16]([NH:21][C@H:22]([CH:24]2[CH2:29][CH2:28][N:27](C(OCC3C=CC=CC=3)=O)[CH2:26][CH2:25]2)[CH3:23])[N:15]=1)[CH3:7])([CH3:4])([CH3:3])[CH3:2].[H][H]>[OH-].[OH-].[Pd+2].CO>[C:1]([O:5][C@H:6]([C@H:8]1[CH2:12][O:11][C:10](=[O:13])[N:9]1[C:14]1[C:19]([F:20])=[CH:18][N:17]=[C:16]([NH:21][C@H:22]([CH:24]2[CH2:29][CH2:28][NH:27][CH2:26][CH2:25]2)[CH3:23])[N:15]=1)[CH3:7])([CH3:3])([CH3:4])[CH3:2]
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5

반응물 2

HCID 90415205benzyl 4-((S)-1-((4-((R)-4-((S)-1-(tert-butoxy)ethyl)-2-oxooxazolidin-3-yl)-5-fluoropyrimidin-2-yl)amino)ethyl)piperidine-1-carboxylateHCID 178418361HCID 178418361, 화합물

생성물 1

HCID 90417340(R)-4-((S)-1-(tert-butoxy)ethyl)-3-(5-fluoro-2-(((S)-1-(piperidin-4-yl)ethyl)amino)pyrimidin-4-yl)oxazolidin-2-one수율 36%

시약·촉매·용매 2

HCID 9942167Palladium hydroxide촉매
HCID 887
Methanol
용매

실험 절차

To a Parshaker flask were added benzyl 4-((S)-1-((4-((R)-4-((S)-1-(tert-butoxy)ethyl)-2-oxooxazolidin-3-yl)-5-fluoropyrimidin-2-yl)amino)ethyl)piperidine-1-carboxylate (850 mg, 1.56 mmole) and 20% Pd(OH)2 in actived carbon (880 mg, 1.25 mmole), then was added MeOH (100 mL) under nitrogen gas. The reaction mixture was shaken under 50 psi hydrogen overnight. The reaction mixture was filtered through a celite. The celite cake was washed with MeOH and the filtrate was concentrate in vacuo. The resulting crude product was purified by flash column chromatography (basic alumina, 40 g) eluting w/0-20% MeOH/DCM to afford the title product as a white solid (230 mg). 1H NMR (400 MHz, CD2Cl2) 8.18 (d, J=2.87 Hz, 1H), 5.15 (br s, 1H), 4.71-4.63 (m, 1H), 4.56-4.47 (m, 1H), 4.47-4.34 (m, 2H), 4.25-4.14 (m, 1H), 3.96-3.82 (m, 1H), 3.16 (d, J=12.34 Hz, 2H), 2.67-2.54 (m, 2H), 1.85-1.66 (m, 2H), 1.64-1.52 (m, 1H), 1.40-1.26 (m, 2H), 1.20 (d, J=6.60 Hz, 3H), 1.18 (s, 9H), 1.10 (d, J=6.46 Hz, 3H). HRMS(C) tR=2.36 min; MS m/z 410.2571 (M+H)+

후처리

  1. filtrationThe reaction mixture was filtered through a celite
  2. washThe celite cake was washed with MeOH
  3. concentrationthe filtrate was concentrate in vacuo
  4. customThe resulting crude product was purified by flash column chromatography (basic alumina, 40 g)
  5. washeluting w/0-20% MeOH/DCM

출처 및 근거

ORD 기록
ord-6f6b9a752f8b40139b9b7008034d08b0
출처 데이터셋
uspto-grants-2016_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09434719B2

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