反応 #1651

ord-e7425b3ba2444f079944b9d7bd609176

反応条件

詳細条件
See reaction.notes.procedure_details.

後処理

  1. 1
    その他HCl gas was then bubbled into the solution at 5° C. for 2 hr
  2. 2
    乾燥The solution was dried (MgSO4)
  3. 3
    その他the solvent was removed under reduced pressure

実験手順

To a solution of 2-(phenylselenyl)ethanol (4.0 g, 20 mmol) [prepared according to the literature procedure: P. Rollin, V. V. Bencomo, P. Sinay, Synthesis, 13 (1984)] in CH2Cl2 (15 mL) was added paraformaldehyde (620 mg, 20 mmol). HCl gas was then bubbled into the solution at 5° C. for 2 hr. The solution was dried (MgSO4), and the solvent was removed under reduced pressure to give the title compound as a colorless oil in a quantitative yield.

出典

DOI: 10.6084/m9.figshare.5104873.v1特許: US05726174uspto-grants-1998_03