2-Acetylbutyrolactone → HCID 178432037、化合物

HRID 584785ノート

反応式

HRID 584785 の反応式
Br.[NH2:2][C:3]1[NH:7][N:6]=[C:5]([CH3:8])[C:4]=1[Br:9].[C:10]([CH:13]1[CH2:18][CH2:17][O:16][C:14]1=[O:15])(=O)[CH3:11]>C(O)C>[Br:9][C:4]1[C:5]([CH3:8])=[N:6][N:7]2[C:14]([OH:15])=[C:13]([CH2:18][CH2:17][OH:16])[C:10]([CH3:11])=[N:2][C:3]=12

参加物

4

実験手順

A solution of 5-amino-4-bromo-3-methylpyrazole hydrobromide (13 g, 51 mmol) and α-acetyl-γ-butyrolactone (6.8 g, 53 mmol) in ethanol (65 mL) was heated under reflux for nine hours. After cooling to room temperature, the resulting crystals were collected by filtration, to give the title compound (4.6 g) as white crystals.

後処理

  1. temperatureunder reflux for nine hours
  2. filtrationthe resulting crystals were collected by filtration

出典と根拠

ORDレコード
ord-2cd44a524e9f49f69c89ed165c11953c
出典データセット
uspto-grants-2005_08
特許番号
US06927221B2

反応ノート

読み込み中…