Preparation method of 1,3-propane sultone derivative

A technology of propane sultone and propene sultone, which is applied in the field of preparation of 1,3-propane sultone derivatives, can solve the problems of long steps, low yield, large pollution, etc., and achieve reaction Effect of long time, high reaction temperature and high risk

Active Publication Date: 2017-10-31
SHIJIAZHUANG SAN TAI CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method needs to carry out chlorination first, and the pollution is large, the steps are long, and the yield is not high

Method used

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  • Preparation method of 1,3-propane sultone derivative
  • Preparation method of 1,3-propane sultone derivative
  • Preparation method of 1,3-propane sultone derivative

Examples

Experimental program
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Effect test

Embodiment 1

[0024] Using dichloromethane as the reaction solvent, add 1mol of 1,3-propene sultone into 200ml of dichloromethane, and then pass in HF gas, control the reaction pressure to 1atm, the reaction temperature to 10°C and the reaction time to 1h , to obtain 2-fluoro-1,3-propane sultone, the calculated yield is 46.0%, the purity is 99.4%, and the product moisture is 16PPM.

Embodiment 2

[0026] Using dichloromethane as the reaction solvent, add 1mol of 1,3-propene sultone into 400ml of dichloromethane, and then pass in HF gas, control the reaction pressure to 7atm, the reaction temperature to 35°C and the reaction time to 5h , to obtain 2-fluoro-1,3-propane sultone, the calculated yield is 74.4%, the purity is 99.6%, and the product moisture is 17PPM.

Embodiment 3

[0028] Using dichloromethane as the reaction solvent, add 1mol of 1,3-propene sultone into 800ml of dichloromethane, and then pass in HF gas, control the reaction pressure to 10atm, the reaction temperature to 50°C and the reaction time to 10h , to obtain 2-fluoro-1,3-propane sultone, the calculated yield is 87.2%, the purity is 99.8%, and the product moisture is 18PPM.

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Abstract

The invention belongs to the technical field of preparation of chemical compounds and relates to a preparation method of a 1, 3-propane sultone derivative. The 1, 3-propane sultone derivative is prepared by adding 1, 3-propane sultone into dichlorohexane and adding fluorinating agent to allow direct fluoridation. The derivative can serve as an intermediate, a double-ion surfactant and a sulfonating agent and can also serve as electrolyte for lithium ion secondary batteries; especially, owing to the presence of an element F, the derivative can better increase battery voltage and is widely applicable to the field of high-voltage uses in lithium ion batteries.

Description

technical field [0001] The invention belongs to the technical field of compound preparation, and relates to the preparation of 1,3-propane sultone derivatives, specifically the preparation method of 1,3-propane sultone derivatives. Background technique [0002] With the development of my country's electronic information industry, the demand for chemical power is increasing, and its performance requirements are getting higher and higher. Lithium-ion batteries have the advantages of small size, good safety performance, light weight, high specific energy, high voltage, long life, no pollution, etc., which are incomparable to other chemical power sources. The main power supply for portable electronic devices such as camcorders and digital cameras. In recent years, the basic research and application development of lithium-ion batteries have become one of the hot spots. A lithium battery includes a positive electrode, a negative electrode, an electrolyte, and a separator. Howeve...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07D327/04
CPCC07D327/04
Inventor 刘鹏田丽霞梅银平
Owner SHIJIAZHUANG SAN TAI CHEM CO LTD
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