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HRID25892

反应详情

EQUATION

反应方程式

HRID 25892 的结构方程式

REACTANTS

反应物

3
结构：CCCCOCCO
HCID8133

2-Butoxyethanol

C6H14O2

结构：CC(=O)CCC(=O)O
HCID11579

4-Oxopentanoic acid

C5H8O3

结构：CCCCCCCC(=O)[O][Sn]([CH2]CCC)([CH2]CCC)[O]C(=O)CCCCCCC
HCID16683953

Dibutyltin dioctanoate

C24H48O4Sn

PRODUCTS

生成物

1
结构：CCCCOCCOC(=O)CCC(C)=O
HCID21325643

未命名化合物

AUXILIARIES

试剂、催化剂与溶剂

1
结构：Cc1ccccc1C
溶剂HCID7237

o-Xylene

C8H10

PROCEDURE

实验过程

2 -Butoxyethanol (Butyl Cellosolve) 354g (3 mol), 232g (2 mol) levulinic acid and 1.5g dibutyl tin dioctoate were heated with a xylene azeotrope for 24 hours 151°-177° to AN 2.3 while collecting 42g water. Product was washed with sat. NaHCO3 and water, dried with anhy. MgSO4 and distilled. Ester product was collected in fr 2 and 3 120°-131° 1 mm. Yield was 349g, 81%, 96% ester product by gc.

WORKUP

后处理

  1. customwhile collecting 42g water
  2. washProduct was washed with sat. NaHCO3 and water
  3. customdried with anhy
  4. distillationMgSO4 and distilled
  5. customEster product was collected in fr 2 and 3 120°-131° 1 mm
  6. customYield