HRID582779

反应详情

EQUATION

反应方程式

HRID 582779 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

PROCEDURE

实验过程

0.1 g of the compound obtained in EXAMPLE 1' and 0.017 g of maleic acid are dissolved in the heated state in 2.3 ml of 2-propanol, and the mixture is concentrated under vacuum. The residue is dissolved in 0.3 ml of EtOH, this solution is poured into 30 ml of ether and the precipitate formed is drained. 0.04 g of the expected product is obtained, m.p.=260° C. (dec.).

WORKUP

后处理

  1. concentrationthe mixture is concentrated under vacuum
  2. dissolutionThe residue is dissolved in 0.3 ml of EtOH
  3. additionthis solution is poured into 30 ml of ether
  4. customthe precipitate formed