HRID265368

反应详情

EQUATION

反应方程式

HRID 265368 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

2

PROCEDURE

实验过程

8-Bromooctanoic acid (22.3 g), 2-(2-methoxyethoxy)-ethanol (14.08 g) and p-toluenesulphonic acid (0.1 g) were added to toluene (250 ml) and the resulting solution heated at reflux temperature for 16 hours. Ethyl acetate (500 ml) was then added and the solution washed with aqueous K2CO3 solution and water, dried and evaporated. The residual oil was distilled to give 2-(2-methoxyethoxy)-ethyl 8-bromooctanoate (25.5 g), 77%) as a colourless oil, b.p. 126°-128° C./0.08 mm Hg.

WORKUP

后处理

  1. temperaturethe resulting solution heated
  2. temperatureat reflux temperature for 16 hours
  3. washthe solution washed with aqueous K2CO3 solution and water
  4. customdried
  5. customevaporated
  6. distillationThe residual oil was distilled