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

HRID 57895
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HRID 57895 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[N:23]=[C:22]([N:24]2[CH2:29][CH2:28][CH2:27][C@H:26]([NH:30][C:31](=[O:37])[O:32][C:33]([CH3:36])([CH3:35])[CH3:34])[CH2:25]2)[C:21]([O:38][CH3:39])=[CH:20][CH:19]=1.CNCCNC.C(=O)([O-])[O-].[K+].[K+]>O1CCOCC1.[Cu](I)I>[CH3:39][O:38][C:21]1[C:22]([N:24]2[CH2:29][CH2:28][CH2:27][C@H:26]([NH:30][C:31](=[O:37])[O:32][C:33]([CH3:35])([CH3:34])[CH3:36])[CH2:25]2)=[N: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][CH:20]=1
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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 86707086tert-butyl N-[(3S)-1-(6-bromo-3-methoxy-2-pyridyl)-3-piperidyl]carbamate

생성물 1

HCID 86707087tert-butyl N-[(3S)-1-[3-methoxy-6-[6-(6-methylpyrazin-2-yl)pyrazolo[4,3-c]pyridin-1-yl]-2-pyridyl]-3-piperidyl]carbamate
수율 58.3%

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 (0.4734 mmol; 100.0 mg), tert-butyl N-[(3S)-1-(6-bromo-3-methoxy-2-pyridyl)-3-piperidyl]carbamate (0.5681 mmol, 219.5 mg), N,N′-Dimethylethylenediamine (0.4734 mmol; 41.73 mg; 0.0471 mL), copper iodide (0.4734 mmol; 91.08 mg), and potassium carbonate (0.5208 mmol; 72.70 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 100% EtOAc in DCM to afford tert-butyl N-[(3S)-1-[3-methoxy-6-[6-(6-methylpyrazin-2-yl)pyrazolo[4,3-c]pyridin-1-yl]-2-pyridyl]-3-piperidyl]carbamate as a tan solid (142.5 mg, 58%).

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 100% EtOAc in DCM

출처 및 근거

ORD 기록
ord-5391cd1c9a1b47f2a558cb72146f6c8a
출처 데이터셋
uspto-grants-2016_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09434725B2

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