N-[(6-chloropyridin-3-yl)methyl]-2,2-difluoroethanamine → N-[(6-chloropyridin-3-yl)methyl]-N-(2,2-difluoroethyl)-4-hydroxy-2-oxo-2,5-dihydrofuran-3-carboxamide

HRID 1192839

反応式

HRID 1192839 の反応式
[OH:1][C:2]1[CH2:6][O:5][C:4](=[O:7])[C:3]=1[C:8]([O:10]C)=O.[Cl:12][C:13]1[N:18]=[CH:17][C:16]([CH2:19][NH:20][CH2:21][CH:22]([F:24])[F:23])=[CH:15][CH:14]=1>C(#N)CCC>[Cl:12][C:13]1[N:18]=[CH:17][C:16]([CH2:19][N:20]([CH2:21][CH:22]([F:24])[F:23])[C:8]([C:3]2[C:4](=[O:7])[O:5][CH2:6][C:2]=2[OH:1])=[O:10])=[CH:15][CH:14]=1

参加物

4

反応条件

温度
65 °C

実験手順

10 g of methyl 4-hydroxy-2-oxo-2,5-dihydrofuran-3-carboxylate are initially introduced in 111 g of butyronitrile and admixed with 5 g of N-[(6-chloropyridin-3-yl)methyl]-2,2-difluoroethanamine. The solution is heated at 65° C. for 3 h. The solution is then extracted with 300 ml of water and then washed with 300 ml of 5% strength hydrochloric acid solution. The organic phase is dried over magnesium sulphate and the solvent is removed in vacuo. For purification, recrystallization from isopropanol is carried out.

後処理

  1. extractionThe solution is then extracted with 300 ml of water
  2. washwashed with 300 ml of 5% strength hydrochloric acid solution
  3. dry with materialThe organic phase is dried over magnesium sulphate
  4. customthe solvent is removed in vacuo
  5. customFor purification, recrystallization from isopropanol

出典と根拠

ORDレコード
ord-33b2f7e565e44cbd870ad14183a7eeae
出典データセット
uspto-grants-2014_03
特許番号
US08680285B2

関連ノート

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