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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
ノート
印刷プレビュー

反応式

HRID 57997 の反応式
[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]
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 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

生成物 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-carboxylate収率 67%

試薬・触媒・溶媒 3

HCID 6386
tert-Butanol
触媒
HCID 30318Osmium Tetroxide触媒
HCID 180Acetone溶媒

実験手順

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]+

後処理

  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

出典と根拠

ORDレコード
ord-5601ac2dc04a4c6d8d504c6258949961
出典データセット
uspto-grants-2016_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09434725B2

反応ノート

読み込み中…

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