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Water → N-(3-cyano-2,4-difluorophenyl)-N,1-dimethyl-3-(pentafluoroethyl)-4-(trifluoromethyl)-1H-pyrazole-5-carboxamide

HRID 1500063
ノート
印刷プレビュー

反応式

HRID 1500063 の反応式
[C:1](=O)([O-])[O-].[K+].[K+].IC.[C:9]([C:11]1[C:12]([F:38])=[C:13]([NH:18][C:19]([C:21]2[N:25]([CH3:26])[N:24]=[C:23]([C:27]([F:33])([F:32])[C:28]([F:31])([F:30])[F:29])[C:22]=2[C:34]([F:37])([F:36])[F:35])=[O:20])[CH:14]=[CH:15][C:16]=1[F:17])#[N:10].O>CN(C=O)C>[C:9]([C:11]1[C:12]([F:38])=[C:13]([N:18]([CH3:1])[C:19]([C:21]2[N:25]([CH3:26])[N:24]=[C:23]([C:27]([F:32])([F:33])[C:28]([F:31])([F:30])[F:29])[C:22]=2[C:34]([F:36])([F:37])[F:35])=[O:20])[CH:14]=[CH:15][C:16]=1[F:17])#[N:10]
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 962WaterHCID 6328Methyl iodideHCID 11430Potassium CarbonateHCID 89651058N-(3-cyano-2,4-difluorophenyl)-1-methyl-3-(pentafluoroethyl)-4-(trifluoromethyl)-1H-pyrazole-5-carboxamide

生成物 1

HCID 89650683N-(3-cyano-2,4-difluorophenyl)-N,1-dimethyl-3-(pentafluoroethyl)-4-(trifluoromethyl)-1H-pyrazole-5-carboxamide収率 98.5%

試薬・触媒・溶媒

1
HCID 6228Dimethylformamide溶媒

実験手順

Potassium carbonate (1.28 g, 5.58 mmol, 2.0 eq.) and iodomethane (0.5 ml, 1.2 g, 8.4 mmol, 3.0 eq.) were added to a solution of N-(3-cyano-2,4-difluorophenyl)-1-methyl-3-(pentafluoroethyl)-4-(trifluoromethyl)-1H-pyrazole-5-carboxamide (1.25 g, 2.79 mmol) in DMF (4 ml). After 5 h, water was added, the mixture was extracted with ethyl acetate and the extract was washed with sat. aq. sodium chloride solution and dried over MgSO4. Filtration through silica gel gave N-(3-cyano-2,4-difluorophenyl)-N,1-dimethyl-3-(pentafluoroethyl)-4-(trifluoromethyl)-1H-pyrazole-5-carboxamide (1.27 g, 98%) as a mixture of rotamers which was reacted further without additional purification.

後処理

  1. extractionthe mixture was extracted with ethyl acetate
  2. washthe extract was washed with sat. aq. sodium chloride solution
  3. dry with materialdried over MgSO4
  4. filtrationFiltration through silica gel

出典と根拠

ORDレコード
ord-8c1b14c2b18546a8b0e399acc3b5075a
出典データセット
uspto-grants-2015_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09204645B2

反応ノート

読み込み中…

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