HRID501276

反应详情

EQUATION

反应方程式

HRID 501276 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

PROCEDURE

实验过程

Add trans-cyclopropane-1,2-dicarboxylic acid monomethyl ester, Example 3a, (19.46 g) in acetone to quinine (43.8 g) In one portion. Heat the reaction to reflux, and then add methylcyclohexane (150 mL). After crystallization (5 times) from acetone/methylcyclohexane, collect 6.2 g of the diastereomeric salt (═D:+173, c:7.3 CHCl3)

WORKUP

后处理

  1. temperatureHeat
  2. customthe reaction
  3. temperatureto reflux
  4. customAfter crystallization (5 times) from acetone/methylcyclohexane
  5. customcollect 6.2 g of the diastereomeric salt (═D:+173, c:7.3 CHCl3)