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HRID267573

反应详情

EQUATION

反应方程式

HRID 267573 的结构方程式

REACTANTS

反应物

2
结构：O=S(=O)(O)O
HCID1118

Sulfuric acid

H2O4S

结构：CCOC(=O)C1C(C=C(C)C)C1(C)C
HCID7334

Ethyl chrysanthemate

C12H20O2

PRODUCTS

生成物

1
结构：CC(C)=C[C@@H]1[C@@H](C(=O)O)C1(C)C
HCID16747

Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-, (1R,3R)-

C10H16O2

收率 80%

PROCEDURE

实验过程

The water layer was made acidic with sulfuric acid and extracted with toluene (20 g) two times. The toluene layer was washed and distilled under reduced pressure to give trans-chrysanthemic acid (4.2 g; trans-isomer, 80.0 %). B.P. 122° to 130°C/3.3 mmHg.

WORKUP

后处理

  1. extractionextracted with toluene (20 g) two times
  2. washThe toluene layer was washed
  3. distillationdistilled under reduced pressure