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HRID1656792

反应详情

EQUATION

反应方程式

HRID 1656792 的结构方程式

REACTANTS

反应物

1
结构：CC(=O)OC(C)=O
HCID7918

Acetic anhydride

C4H6O3

PRODUCTS

生成物

1
结构：CC(=O)OCCCCOC(C)=O
HCID69410

1,4-Butylene glycol diacetate

C8H14O4

收率 31%

AUXILIARIES

试剂、催化剂与溶剂

1
结构：[Cl-].[Cl-].[Zn+2]
催化剂HCID3007855

Zinc chloride

Cl2Zn

CONDITIONS

反应条件

温度
140 °C

PROCEDURE

实验过程

A 100-mL flask is charged with 1000 mol. wt. PTMEG (5.0 g), acetic anhydride (32 g), and zinc chloride (1.0 g). The mixture is refluxed for 4 h at 140° C. Tetramethylene glycol diacetate is obtained in 31% yield.

WORKUP

后处理

  1. additionA 100-mL flask is charged with 1000 mol