HRID248479

反应详情

EQUATION

反应方程式

HRID 248479 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

CONDITIONS

反应条件

温度
55 °C

PROCEDURE

实验过程

A mixture of 55 g of selenium dioxide, 11 ml of water and 150 ml of dioxane was heated at 55° C. until solution was complete. A 55 g portion of 2-acetylfuran was added, the mixture was refluxed for 4 hours, then filtered and evaporated. The residue was dissolved in dichloromethane, treated with activated charcoal, filtered and evaporated. The residue was distilled, giving 28 g of α-oxo-2-furanacetaldehyde.

WORKUP

后处理

  1. temperaturethe mixture was refluxed for 4 hours
  2. filtrationfiltered
  3. customevaporated
  4. dissolutionThe residue was dissolved in dichloromethane
  5. additiontreated with activated charcoal
  6. filtrationfiltered
  7. customevaporated
  8. distillationThe residue was distilled