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Diisopropylethylamine → 8-Hydroxy-2-oxo-2H-chromene-3-carboxylic acid [3-(1H-pyrazol-4-yl)-phenyl]-amide

HRID 240160
ノート
印刷プレビュー

反応式

HRID 240160 の反応式
CCN(C(C)C)C(C)C.[OH:10][C:11]1[CH:12]=[CH:13][CH:14]=[C:15]2[C:20]=1[O:19][C:18](=[O:21])[C:17]([C:22]([OH:24])=O)=[CH:16]2.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.[NH:49]1[CH:53]=[C:52]([C:54]2[CH:55]=[C:56]([NH2:60])[CH:57]=[CH:58][CH:59]=2)[CH:51]=[N:50]1>CN(C=O)C>[NH:49]1[CH:53]=[C:52]([C:54]2[CH:55]=[C:56]([NH:60][C:22]([C:17]3[C:18](=[O:21])[O:19][C:20]4[C:15]([CH:16]=3)=[CH:14][CH:13]=[CH:12][C:11]=4[OH:10])=[O:24])[CH:57]=[CH:58][CH:59]=2)[CH:51]=[N:50]1
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 4

HCID 81531DiisopropylethylamineHCID 72457168-Hydroxy-3-carboxy-coumarinHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 633382823-(1H-pyrazol-4-yl)aniline

生成物 1

HCID 866504448-Hydroxy-2-oxo-2H-chromene-3-carboxylic acid [3-(1H-pyrazol-4-yl)-phenyl]-amide収率 11%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

実験手順

DIEA (0.012 mL, 0.071 mmol) was added to 8-hydroxy-3-carboxy-coumarin (0.013 g, 0.065 mmol) and HATU (0.027 g, 0.071 mmol) in 0.5 mL of DMF with constant stirring at room temperature until a clear solution resulted. Subsequently, 3-(1H-pyrazol-4-yl)-phenylamine (0.011 g, 0.065 mmol) was added and allowed to react overnight. DMF was removed under vacuum and the reaction was resuspended in DMSO. The crude product was purified on a Parallex Flex parallel preparative reverse phase HPLC instrument (Biotage) using a solvent gradient of 10-95% ACN/H2O with 0.05% TFA at a flow rate of 20 mL/min. UV absorbance was monitored at 254 nm and the fractions corresponding to the product peak were collected and the solvent removed under vacuum to give 0.002 g of product in 11% yield: LCMS (ESI) m/z 348 (MH+).

後処理

  1. customresulted
  2. customto react overnight
  3. customDMF was removed under vacuum
  4. customThe crude product was purified on a Parallex Flex parallel preparative reverse phase HPLC instrument (Biotage)
  5. customthe fractions corresponding to the product peak were collected
  6. customthe solvent removed under vacuum

出典と根拠

ORDレコード
ord-0887dbcfc2bd4bea96c054f91b8cdc55
出典データセット
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08642788B2

反応ノート

読み込み中…

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