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Potassium Carbonate → 2-[4-[(1E)-1-phenylmethoxyimino-2,3-dihydroinden-5-yl]-3-pyridin-4-ylpyrazol-1-yl]ethanol

HRID 1726397
ノート
印刷プレビュー

反応式

HRID 1726397 の反応式
Br[C:2]1[C:3]([C:10]2[CH:15]=[CH:14][N:13]=[CH:12][CH:11]=2)=[N:4][N:5]([CH2:7][CH2:8][OH:9])[CH:6]=1.[CH2:16]([O:23]/[N:24]=[C:25]1\[CH2:26][CH2:27][C:28]2[C:33]\1=[CH:32][CH:31]=[C:30](B(O)O)[CH:29]=2)[C:17]1[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=1.C(=O)([O-])[O-].[K+].[K+]>C(#N)C.O>[CH2:16]([O:23]/[N:24]=[C:25]1\[CH2:26][CH2:27][C:28]2[C:33]\1=[CH:32][CH:31]=[C:30]([C:2]1[C:3]([C:10]3[CH:15]=[CH:14][N:13]=[CH:12][CH:11]=3)=[N:4][N:5]([CH2:7][CH2:8][OH:9])[CH:6]=1)[CH:29]=2)[C:17]1[CH:18]=[CH:19][CH:20]=[CH:21][CH:22]=1
参加物反応条件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 11430Potassium CarbonateHCID 672937372-(4-bromo-3-(pyridin-4-yl)-1H-pyrazol-1-yl)ethanolHCID 87623866[(1E)-1-phenylmethoxyimino-2,3-dihydroinden-5-yl]boronic acid2 回

生成物 1

HCID 876234382-[4-[(1E)-1-phenylmethoxyimino-2,3-dihydroinden-5-yl]-3-pyridin-4-ylpyrazol-1-yl]ethanol収率 69.5%

試薬・触媒・溶媒 2

HCID 962
Water
溶媒
HCID 6342Acetonitrile溶媒

反応条件

温度
80 °C

実験手順

To 2-(4-bromo-3-(pyridin-4-yl)-1H-pyrazol-1-yl)ethanol (100 mg; Example 4, step 3) in 7 mL acetonitrile and 3 mL water, was added 136 mg (E)-1-(benzyloxyimino)-2,3-dihydro-1H-inden-5-ylboronic acid (product of Example 2, Step 4), and 155 mg potassium carbonate. The mixture was purged with nitrogen and about 43 mg tetrakis(triphenyphosphine)palladium(0) catalyst was added. The mixture was heated at 80° C. After 1 hour, the reaction mixture was filtered through celite, the filter cake washed with ethyl acetate, and filtrate evaporated under vacuum. The residue was purified by chromatography, eluting with a mixture of 8:1 ethyl acetate-methanol to afford 110 mg (69% yield) product as a white solid. 1H NMR (CDCl3) was consistent with the desired structure. LC/MS showed one peak with a M+1 molecular ion of m/z 425.2 by positive ESI.

後処理

  1. customThe mixture was purged with nitrogen and about 43 mg tetrakis(triphenyphosphine)palladium(0) catalyst
  2. additionwas added
  3. filtrationthe reaction mixture was filtered through celite
  4. washthe filter cake washed with ethyl acetate, and filtrate
  5. customevaporated under vacuum
  6. customThe residue was purified by chromatography
  7. washeluting with a mixture of 8:1 ethyl acetate-methanol

出典と根拠

ORDレコード
ord-0e5a133cddc44114b3925d46895c6a00
出典データセット
uspto-grants-2009_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07491829B2

反応ノート

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このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート