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Synthetic process of nitrobromoform

A technology of tribromonitromethane and synthesis process, which is applied in the field of manufacture and synthesis of tribromonitromethane, can solve the problems of high risk, high cost, insufficient product efficiency and purity, and achieves improved recovery rate and improved yield. , provides the effect of safety

Inactive Publication Date: 2009-06-17
太仓浦源医药原料有限公司
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  • Abstract
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AI Technical Summary

Problems solved by technology

The production process of this traditional method is costly and dangerous, and the efficiency and purity of the product are not high enough

Method used

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  • Synthetic process of nitrobromoform
  • Synthetic process of nitrobromoform
  • Synthetic process of nitrobromoform

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0008] This embodiment adopts the following technical solutions: the synthetic reaction of this embodiment is as follows:

[0009]

[0010] Step two:

[0011]

[0012] In this specific embodiment, the intermediate process does not need corrosion-resistant, high-precision metering pumps, and the yield rate is greatly improved, and the purity and yield of the final product have also been improved. The yield of the final product has reached 93%. Achieved 99.5%. Moreover, the intermediate reaction system is completed in water, and no other solvent is needed, which reduces the production cost. This specific embodiment can simplify the production process of bromopicrin, reduce production cost, provide production safety, improve production efficiency and recovery rate of synthetic products, simplify intermediate processes, and improve product purity and quality.

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Abstract

The invention provides a process for synthesizing tribromonitromethane, and relates to a method for production and synthesis of tribromonitromethane. The invention adopts a technical proposal that: according to the synthesis reaction, a metering pump with corrosion resistance and high accuracy is not required in the intermediate process, the yield rate is greatly improved, and the purity and yield of the finished product are increased to 99.5 percent and 93 percent respectively at the same time. An intermediate reaction system is completed in water, so that other solvents are not needed, and the production cost is lowered. The method has the advantages of simplifying production process of the tribromonitromethane, lowering production cost, ensuring production safety, improving production efficiency and recovery rate of the finished product, simplifying the intermediate process and improving the purity and quality of the product.

Description

Technical field: [0001] The invention relates to a method for producing and synthesizing bromopicrin. Background technique: [0002] The current method of producing bromopicrin requires a large amount of toluene extraction material to be purified in the production process, which requires high temperature and high vacuum distillation, which is very dangerous. Corrosion-resistant and high-precision metering pumps are also required on the equipment. The production process of this traditional method is costly and dangerous, and the efficiency and purity of the product are not high enough. Invention content: [0003] The purpose of the present invention is to provide a kind of synthesis process of bromopicrin, which can simplify the production process of bromopicrin, reduce production cost, provide the safety of production, improve production efficiency, synthetic product recovery rate, simplify intermediate process, improving the purity and quality of the product. In order ...

Claims

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Application Information

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IPC IPC(8): C07C205/08C07C201/12
Inventor 计宏明
Owner 太仓浦源医药原料有限公司
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