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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
ノート
印刷プレビュー

反応式

HRID 82025 の反応式
[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]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 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

生成物 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
収率 80%

試薬・触媒・溶媒 2

HCID 178418397HCID 178418397、化合物触媒HCID 312751,4-Dioxane溶媒

実験手順

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.

後処理

  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

出典と根拠

ORDレコード
ord-4fcdff0bc5b04d0f882d9bbe0214a5df
出典データセット
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08846712B2

反応ノート

読み込み中…

このページの内容参加物実験手順後処理出典と根拠反応ノート