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Cesium carbonate → N-{4-[5-(2-chlorophenyl)-4-(4-{[2-(trimethylsilyl)ethoxy]methyl}-4H-1,2,4-triazol-3-yl)-1,3-oxazol-2-yl]-5-methylpyridin-2-yl}acetamide

HRID 537056
ノート
印刷プレビュー

反応式

HRID 537056 の反応式
[Cl:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[C:8]1[O:12][C:11](I)=[N:10][C:9]=1[C:14]1[N:18]([CH2:19][O:20][CH2:21][CH2:22][Si:23]([CH3:26])([CH3:25])[CH3:24])[CH:17]=[N:16][N:15]=1.[CH3:27][C:28]1[C:29](B2OC(C)(C)C(C)(C)O2)=[CH:30][C:31]([NH:34][C:35](=[O:37])[CH3:36])=[N:32][CH:33]=1.C(=O)([O-])[O-].[Cs+].[Cs+]>O1CCOCC1.O.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>[Cl:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[C:8]1[O:12][C:11]([C:29]2[C:28]([CH3:27])=[CH:33][N:32]=[C:31]([NH:34][C:35](=[O:37])[CH3:36])[CH:30]=2)=[N:10][C:9]=1[C:14]1[N:18]([CH2:19][O:20][CH2:21][CH2:22][Si:23]([CH3:26])([CH3:25])[CH3:24])[CH:17]=[N:16][N:15]=1
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 10796Cesium carbonateHCID 667494963-[5-(2-chlorophenyl)-2-iodo-1,3-oxazol-4-yl]-4-{[2-(trimethylsilyl)-ethoxy]methyl}-4H-1,2,4-triazoleHCID 66749567N-(5-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)acetamide

生成物 1

HCID 66749586N-{4-[5-(2-chlorophenyl)-4-(4-{[2-(trimethylsilyl)ethoxy]methyl}-4H-1,2,4-triazol-3-yl)-1,3-oxazol-2-yl]-5-methylpyridin-2-yl}acetamide収率 81%

試薬・触媒・溶媒

3
HCID 178418397HCID 178418397、化合物触媒HCID 962Water溶媒HCID 312751,4-Dioxane溶媒

実験手順

A mixture of 3-[5-(2-chlorophenyl)-2-iodo-1,3-oxazol-4-yl]-4-{[2-(trimethylsilyl)-ethoxy]methyl}-4H-1,2,4-triazole (0.39 g, 0.78 mmol), N-[5-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl]acetamide (0.36 g, 1.32 mmol), tetrakis(triphenylphosphine)palladium(0) (0.18 g, 0.16 mmol) and cesium carbonate (1.64 g, 5.04 mmol) in dioxane (13 mL) and water (1.8 mL) was subjected to microwave irradiation at 150° C. for 60 min. The reaction mixture was concentrated and the residue was purified by column chromatography to give N-{4-[5-(2-chlorophenyl)-4-(4-{[2-(trimethylsilyl)ethoxy]methyl}-4H-1,2,4-triazol-3-yl)-1,3-oxazol-2-yl]-5-methylpyridin-2-yl}acetamide (0.33 g, 81%). LCMS (AA): m/z=525.1 (M+H).

後処理

  1. customirradiation at 150° C. for 60 min
  2. concentrationThe reaction mixture was concentrated
  3. customthe residue was purified by column chromatography

出典と根拠

ORDレコード
ord-b7a6cf2e4dbc49ecbfea33defac0a403
出典データセット
uspto-grants-2014_10
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08859768B2

反応ノート

読み込み中…

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