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2,2,2-trifluoro-1-[1-(4-fluorophenyl)-1H-indazol-5-yl]ethanone → 1-Allyl-4-{2,2,2-trifluoro-1-[1-(4-fluorophenyl)-1H-indazol-5-yl]-1-hydroxyethyl}-1H-pyrazole-3-carbonitrile

HRID 244479
ノート
印刷プレビュー

反応式

HRID 244479 の反応式
[CH2:1]([N:4]1[CH:8]=[C:7](Br)[C:6]([C:10]#[N:11])=[N:5]1)[CH:2]=[CH2:3].[Li]CCCC.[F:17][C:18]([F:38])([F:37])[C:19]([C:21]1[CH:22]=[C:23]2[C:27](=[CH:28][CH:29]=1)[N:26]([C:30]1[CH:35]=[CH:34][C:33]([F:36])=[CH:32][CH:31]=1)[N:25]=[CH:24]2)=[O:20]>CCOCC.C1COCC1>[CH2:1]([N:4]1[CH:8]=[C:7]([C:19]([C:21]2[CH:22]=[C:23]3[C:27](=[CH:28][CH:29]=2)[N:26]([C:30]2[CH:35]=[CH:34][C:33]([F:36])=[CH:32][CH:31]=2)[N:25]=[CH:24]3)([OH:20])[C:18]([F:37])([F:17])[F:38])[C:6]([C:10]#[N:11])=[N:5]1)[CH:2]=[CH2:3]
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 579432692,2,2-trifluoro-1-[1-(4-fluorophenyl)-1H-indazol-5-yl]ethanoneHCID 594372421-allyl-4-bromo-1H-pyrazole-3-carbonitrileHCID 178418339Butyllithium

生成物 1

HCID 594372031-Allyl-4-{2,2,2-trifluoro-1-[1-(4-fluorophenyl)-1H-indazol-5-yl]-1-hydroxyethyl}-1H-pyrazole-3-carbonitrile収率 69%

試薬・触媒・溶媒 2

HCID 3283
Diethyl Ether
溶媒
HCID 8028Tetrahydrofuran溶媒

実験手順

To a chilled (−78° C.) solution of 1-allyl-4-bromo-1H-pyrazole-3-carbonitrile (116.6 mg, 0.550 mmol) in dry ether (2 mL) was added n-BuLi (190 pt, 2.5 M in hexanes, 0.475 mmol). After 2 minutes a chilled (−78° C.) solution of 2,2,2-trifluoro-1-[1-(4-fluorophenyl)-1H-indazol-5-yl]ethanone (154 mg, 0.500 mmol) in THF (2 mL) was added. After 15 minutes, the mixture was warmed to room temperature, quenched with 10 mL of saturated aqueous sodium bicarbonate and extracted with three 10 mL portions of ethyl ether. The combined organic layers were washed with brine (10 mL), dried over magnesium sulfate, filtered, and concentrated in vacuo. The residue was purified by chromatography on SiO2 (0-50% ethyl acetate in hexanes, gradient) to give 152 mg (69%) of the title compound. MS m/z 422.96 (MH+).

後処理

  1. additionwas added
  2. customquenched with 10 mL of saturated aqueous sodium bicarbonate
  3. extractionextracted with three 10 mL portions of ethyl ether
  4. washThe combined organic layers were washed with brine (10 mL)
  5. dry with materialdried over magnesium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated in vacuo
  8. customThe residue was purified by chromatography on SiO2 (0-50% ethyl acetate in hexanes, gradient)

出典と根拠

ORDレコード
ord-77e6588979264c85acb10d6c046bb950
出典データセット
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08658637B2

反応ノート

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