HRID248011
反应详情
EQUATION
反应方程式
REACTANTS
反应物
PRODUCTS
生成物
AUXILIARIES
试剂、催化剂与溶剂
PROCEDURE
实验过程
To a room temperature solution of 5.0 g of product from Example 104 in 80 ml of methylene chloride and 5 drops of dimethylformamide is added 1.74 g of oxalyl chloride. The reaction is stirred at room temperature for 2.5 days and concentrated in vacuo. The residue is dissolved in diethyl ether, passed through a pad of diatomaceous earth and concentrated in vacuo to give 5.1 g of the desired product as colorless crystals.
WORKUP
后处理
- concentrationconcentrated in vacuo
- dissolutionThe residue is dissolved in diethyl ether
- concentrationconcentrated in vacuo