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Cesium carbonate → 4-[3-[(E)-2-(4-chloro-phenyl)-vinyl]-6-(4-hydroxy-phenyl)-1-(tetrahydro-pyran-2-yl)-1H-pyrazolo[3,4-b]pyridine-4-carbonyl]-piperazine-1-carboxylic acid tert-butyl ester

HRID 82025
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HRID 82025 반응식
[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][N:11]([C:14]([C:16]2[C:17]3[C:25](/[CH:26]=[CH:27]/[C:28]4[CH:33]=[CH:32][C:31]([Cl:34])=[CH:30][CH:29]=4)=[N:24][N:23]([CH:35]4[CH2:40][CH2:39][CH2:38][CH2:37][O:36]4)[C:18]=3[N:19]=[C:20](Cl)[CH:21]=2)=[O:15])[CH2:10][CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[OH:41][C:42]1[CH:47]=[CH:46][C:45](B(O)O)=[CH:44][CH:43]=1.C(=O)([O-])[O-].[Cs+].[Cs+]>O1CCOCC1.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][N:11]([C:14]([C:16]2[C:17]3[C:25](/[CH:26]=[CH:27]/[C:28]4[CH:33]=[CH:32][C:31]([Cl:34])=[CH:30][CH:29]=4)=[N:24][N:23]([CH:35]4[CH2:40][CH2:39][CH2:38][CH2:37][O:36]4)[C:18]=3[N:19]=[C:20]([C:45]3[CH:46]=[CH:47][C:42]([OH:41])=[CH:43][CH:44]=3)[CH:21]=2)=[O:15])[CH2:10][CH2:9]1)=[O:7])([CH3:2])([CH3:4])[CH3:3]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 3

HCID 10796Cesium carbonateHCID 27343604-Hydroxyphenylboronic acidHCID 866781604-[6-chloro-3-[(E)-2-(4-chloro-phenyl)-vinyl]-1-(tetrahydro-pyran-2-yl)-1H-pyrazolo[3,4-b]pyridine-4-carbonyl]-piperazine-1-carboxylic acid tert-butyl ester

생성물 1

HCID 1363594974-[3-[(E)-2-(4-chloro-phenyl)-vinyl]-6-(4-hydroxy-phenyl)-1-(tetrahydro-pyran-2-yl)-1H-pyrazolo[3,4-b]pyridine-4-carbonyl]-piperazine-1-carboxylic acid tert-butyl ester
수율 80%

시약·촉매·용매 2

HCID 178418397HCID 178418397, 화합물촉매HCID 312751,4-Dioxane용매

실험 절차

To a solution of 4-[6-chloro-3-[(E)-2-(4-chloro-phenyl)-vinyl]-1-(tetrahydro-pyran-2-yl)-1H-pyrazolo[3,4-b]pyridine-4-carbonyl]-piperazine-1-carboxylic acid tert-butyl ester (1.5 g, 2.56 mmol) in dioxane (38 ml) were added 4-hydroxyphenylboronic acid (0.39 g, 2.81 mmol) and an aqueous solution of cesium carbonate (0.3M, 4.6 mmol). The resulting solution was degassed using argon, tetrakis(triphenylphosphine)palladium (0.14 g, 0.13 mmol) was then added and the reaction mixture was refluxed for 3 hours. Solvents were removed under vacuum. The resulting crude mixture was submitted to a silica gel column chromatography using a gradient of ethyl acetate (0-45%) in cyclohexane to give the title compound (1.32 g, 80%) as a white solid.

후처리

  1. customThe resulting solution was degassed
  2. additionwas then added
  3. temperaturethe reaction mixture was refluxed for 3 hours
  4. customSolvents were removed under vacuum

출처 및 근거

ORD 기록
ord-4fcdff0bc5b04d0f882d9bbe0214a5df
출처 데이터셋
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08846712B2

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