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N,N'-Dimethylethylenediamine → tert-butyl N-[(3S)-1-[1-methyl-5-[6-(6-methylpyrazin-2-yl)pyrazolo[4,3-c]pyridin-1-yl]-2-oxo-3-pyridyl]-3-piperidyl]carbamate

HRID 57947
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HRID 57947 반응식
[CH3:1][C:2]1[N:7]=[C:6]([C:8]2[N:13]=[CH:12][C:11]3[CH:14]=[N:15][NH:16][C:10]=3[CH:9]=2)[CH:5]=[N:4][CH:3]=1.Br[C:18]1[CH:19]=[C:20]([N:26]2[CH2:31][CH2:30][CH2:29][C@H:28]([NH:32][C:33](=[O:39])[O:34][C:35]([CH3:38])([CH3:37])[CH3:36])[CH2:27]2)[C:21](=[O:25])[N:22]([CH3:24])[CH:23]=1.CNCCNC.C(=O)([O-])[O-].[K+].[K+]>O1CCOCC1.[Cu](I)I>[CH3:24][N:22]1[CH:23]=[C:18]([N:16]2[C:10]3[CH:9]=[C:8]([C:6]4[CH:5]=[N:4][CH:3]=[C:2]([CH3:1])[N:7]=4)[N:13]=[CH:12][C:11]=3[CH:14]=[N:15]2)[CH:19]=[C:20]([N:26]2[CH2:31][CH2:30][CH2:29][C@H:28]([NH:32][C:33](=[O:39])[O:34][C:35]([CH3:36])([CH3:38])[CH3:37])[CH2:27]2)[C:21]1=[O:25]
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참가 물질

7

반응물 4

HCID 8070N,N'-DimethylethylenediamineHCID 11430Potassium CarbonateHCID 867070806-(6-methylpyrazin-2-yl)-1H-pyrazolo[4,3-c]pyridineHCID 86707131tert-butyl N-[(3S)-1-(5-bromo-1-methyl-2-oxo-3-pyridyl)-3-piperidyl]carbamate

생성물 1

HCID 86707132tert-butyl N-[(3S)-1-[1-methyl-5-[6-(6-methylpyrazin-2-yl)pyrazolo[4,3-c]pyridin-1-yl]-2-oxo-3-pyridyl]-3-piperidyl]carbamate
수율 45%

시약·촉매·용매 2

HCID 83717Copper iodide촉매HCID 312751,4-Dioxane용매

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온도
100 °C

실험 절차

A mixture of 6-(6-methylpyrazin-2-yl)-1H-pyrazolo[4,3-c]pyridine (0.49711 mmol; 105 mg), tert-butyl N-[(3S)-1-(5-bromo-1-methyl-2-oxo-3-pyridyl)-3-piperidyl]carbamate (0.59653 mmol; 230.4 mg), N,N′-Dimethylethylenediamine (0.049711 mmol; 4.382 mg; 0.00495 mL), copper iodide (0.49711 mmol; 95.629 mg), and potassium carbonate (0.99422 mmol; 138.79 mg) in 1,4-Dioxane (10 mL) was purged with Argon, then sealed and stirred at 100° C. overnight. The mixture was cooled to room temperature, and then filtered through Celite. The filtrate was concentrated; the residue was purified on silica eluted with 0 to 6% MeOH in DCM to afford tert-butyl N-[(3S)-1-[1-methyl-5-[6-(6-methylpyrazin-2-yl)pyrazolo[4,3-c]pyridin-1-yl]-2-oxo-3-pyridyl]-3-piperidyl]carbamate (116. mg, 45%).

후처리

  1. customwas purged with Argon
  2. customsealed
  3. temperatureThe mixture was cooled to room temperature
  4. filtrationfiltered through Celite
  5. concentrationThe filtrate was concentrated
  6. customthe residue was purified on silica
  7. washeluted with 0 to 6% MeOH in DCM

출처 및 근거

ORD 기록
ord-43239200cc0645149641b680401ddd79
출처 데이터셋
uspto-grants-2016_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09434725B2

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