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Water → Tert-butyl 4-[6-[6-[6-(1,2-dihydroxyethyl)pyrazin-2-yl]pyrazolo[4,3-c]pyridin-1-yl]-2-pyridyl]piperazine-1-carboxylate

HRID 57997
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HRID 57997 반응식
[CH:1]([C:3]1[N:8]=[C:7]([C:9]2[N:14]=[CH:13][C:12]3[CH:15]=[N:16][N:17]([C:18]4[N:23]=[C:22]([N:24]5[CH2:29][CH2:28][N:27]([C:30]([O:32][C:33]([CH3:36])([CH3:35])[CH3:34])=[O:31])[CH2:26][CH2:25]5)[CH:21]=[CH:20][CH:19]=4)[C:11]=3[CH:10]=2)[CH:6]=[N:5][CH:4]=1)=[CH2:2].[OH2:37].C[N+]1([O-])CCOCC1.[OH2:46]>CC(C)=O.[Os](=O)(=O)(=O)=O.C(O)(C)(C)C>[OH:37][CH:1]([C:3]1[N:8]=[C:7]([C:9]2[N:14]=[CH:13][C:12]3[CH:15]=[N:16][N:17]([C:18]4[N:23]=[C:22]([N:24]5[CH2:25][CH2:26][N:27]([C:30]([O:32][C:33]([CH3:36])([CH3:35])[CH3:34])=[O:31])[CH2:28][CH2:29]5)[CH:21]=[CH:20][CH:19]=4)[C:11]=3[CH:10]=2)[CH:6]=[N:5][CH:4]=1)[CH2:2][OH:46]
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참가 물질

7

반응물 3

HCID 962WaterHCID 2724197N-Methylmorpholine N-oxide monohydrateHCID 86707182Tert-butyl 4-[6-[6-(6-vinylpyrazin-2-yl)pyrazolo[4,3-c]pyridin-1-yl]-2-pyridyl]piperazine-1-carboxylate

생성물 1

HCID 86707180Tert-butyl 4-[6-[6-[6-(1,2-dihydroxyethyl)pyrazin-2-yl]pyrazolo[4,3-c]pyridin-1-yl]-2-pyridyl]piperazine-1-carboxylate수율 67%

시약·촉매·용매 3

HCID 6386
tert-Butanol
촉매
HCID 30318Osmium Tetroxide촉매
HCID 180Acetone용매

실험 절차

A mixture of tert-butyl 4-[6-[6-(6-vinylpyrazin-2-yl)pyrazolo[4,3-c]pyridin-1-yl]-2-pyridyl]piperazine-1-carboxylate (513 mg; 1.06 mmol), N-methylmorpholine-N-oxide monohydrate (744 mg, 6.35 mmol) and 2.5% solution of osmium tetroxide in tert-butanol (0.6 ml, 0.04764 mmol) in 20 ml of acetone and 2.5 ml of water was stirred at room temperature for 24 hours. The mixture was filtered, mixed with water and extracted with EtOAc. The organic extracts were washed with water, 5% aq. citric acid, sat. aq. NaHCO3, brine, dried over Na2SO4 and concentrated. The residue was triturated with ethyl ether, the precipitate was collected by filtration and washed with ethyl ether affording tert-butyl 4-(6-(6-(6-(1,2-dihydroxyethyl)pyrazin-2-yl)-1H-pyrazolo[4,3-c]pyridin-1-yl)pyridin-2-yl)piperazine-1-carboxylate (424 mg, 67%). MS (ESI) m/z: 519.3 [M+H]+

후처리

  1. filtrationThe mixture was filtered
  2. additionmixed with water
  3. extractionextracted with EtOAc
  4. washThe organic extracts were washed with water, 5% aq. citric acid, sat. aq. NaHCO3, brine
  5. dry with materialdried over Na2SO4
  6. concentrationconcentrated
  7. customThe residue was triturated with ethyl ether
  8. filtrationthe precipitate was collected by filtration
  9. washwashed with ethyl ether

출처 및 근거

ORD 기록
ord-5601ac2dc04a4c6d8d504c6258949961
출처 데이터셋
uspto-grants-2016_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09434725B2

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