2,2,2-Trifluoroethanol → 1-[2-(2,2,2-Trifluoroethoxy)-5-pyridylmethyl]-2-(nitroimino)imidazolidine

HRID 22213

反応式

HRID 22213 の反応式
[H-].[Na+].[F:3][C:4]([F:8])([F:7])[CH2:5][OH:6].[H][H].[Na].FC(F)(F)CO.Cl[C:19]1[CH:24]=[CH:23][C:22]([CH2:25][N:26]2[CH2:30][CH2:29][NH:28][C:27]2=[N:31][N+:32]([O-:34])=[O:33])=[CH:21][N:20]=1>C1(C)C=CC=CC=1.CN(C)C1C=CN=CC=1>[F:3][C:4]([F:8])([F:7])[CH2:5][O:6][C:19]1[CH:24]=[CH:23][C:22]([CH2:25][N:26]2[CH2:30][CH2:29][NH:28][C:27]2=[N:31][N+:32]([O-:34])=[O:33])=[CH:21][N:20]=1

参加物

8

反応条件

温度
80 °C

実験手順

Sodium hydride (0.48 g) was added to a solution of 2,2,2-trifluoroethanol (2.4 g) in toluene (30 ml) was added, and the mixture was stirred until the generation of hydrogen ceased. As a result, 2,2,2-trifluoroethanol sodium salt was prepared. To the product were added 1-(2-chloro-5-pyridylmethyl)-2-(nitroimino)imidazolidine (5.1 g) synthesized by the method of Example 3 and a catalytic amount of 4-dimethylaminopyridine. The mixture was heated at 80° C. for 10 hours with stirring. After cooling the reaction mixture, the precipitated crystals were collected by filtration, washed with water and ether and then purified by silica gel chromatography to give 1-[2-(2,2,2-trifluoroethoxy)-5-pyridylmethyl]-2-(nitroimino)imidazolidine (1.5 g).

後処理

  1. additionwas added
  2. customsynthesized by the method of Example 3
  3. temperatureAfter cooling the reaction mixture
  4. filtrationthe precipitated crystals were collected by filtration
  5. washwashed with water and ether
  6. custompurified by silica gel chromatography

出典と根拠

ORDレコード
ord-37f501ed7b344cf2b37eaf2f0fd15b97
出典データセット
uspto-grants-1995_06
特許番号
US05428032

関連ノート

読み込み中…