反応 #5577

ord-d247e64e0eef42c0ae0a6b34795adbf6

反応条件

詳細条件
See reaction.notes.procedure_details.

後処理

  1. 1
    洗浄was washed with 3N sodium hydroxide (50 ml)
  2. 2
    抽出the aqueous layer was extracted with chloroform
  3. 3
    乾燥the combined chloroform layer was dried over anhydrous magnesium sulfate
  4. 4
    workup.DISTILLATIONThen, the solvent was distilled off

実験手順

After a suspension of 5-[2-(amino)ethylthio]imidazo-[1,2-a]pyridine dihydrochloride (13.31 g, 50 mmloes) in chloroform (200 ml) was washed with 3N sodium hydroxide (50 ml), the aqueous layer was extracted with chloroform, the combined chloroform layer was dried over anhydrous magnesium sulfate. Then, the solvent was distilled off to obtain 9.63 g of the desired product (99.7%, pale yellow oily product).

出典

DOI: 10.6084/m9.figshare.5104873.v1特許: US05244908uspto-grants-1993_09