1. Chemical properties of 3,5-Bis(trifluoromethyl)bromobenzene
3,5-bis (trifluoromethyl) bromobenzene is a kind of bicyclic difluoroaromatic hydrocarbons, an organic compound, which can be generated by reaction at relatively low temperature. The important reaction property is the catalysis of bromine. The activation efficiency of bromine synthesized from it is very easy to react with inorganic oxides and persistent organic pollutants.
2. Use of 3,5-Bis (trifluoromethyl) bromobenzene
3,5-bis (trifluoromethyl) bromobenzene is a commonly used reagent in organic synthesis and has a wide range of applications. Here are some possible uses:
(1). As an aryl halide: 3,5-bis (trifluoromethyl) bromobenzene can be used as an aryl halide in organic synthesis to generate other organic compounds. For example, it can react with Grignard reagent to produce 3,5-bis (trifluoromethyl) phenyl methanol and other compounds.
(2). Used to prepare organic electrochromic materials: 3,5-bis (trifluoromethyl) bromobenzene can be used to prepare organic electrochromic materials, which can be used in liquid crystal displays and other electronic devices.
(3). Used to prepare fluorescent probes: 3,5-bis (trifluoromethyl) bromobenzene can be used to prepare fluorescent probes for biological analysis and imaging.
(4). For the preparation of anticancer drugs: 3,5-bis (trifluoromethyl) bromobenzene can be used to prepare some precursors of anticancer drugs, such as PD173074, which is an effective therapeutic drug for gastric cancer and colon cancer.
(5). 3,5-bis (trifluoromethyl) bromobenzene can be used to produce organic optical products, such as crystals, liquid crystals and photolithographic metal substrates, and can be used to purify air, water and soil.
(6). It can be used to catalyze the synthesis of organic compounds such as anticancer agents, herbicides, antibiotics, sweeteners, dyes, etc.
(7). It is also widely used in synthetic drugs and special chemical products.
In short, 3,5-bis (trifluoromethyl) bromobenzene is an important organic synthetic reagent with many applications and can play a role in medicine, material science and other fields.
3. Synthesis route of 3,5-Bis (trifluoromethyl) bromobenzene
3,5-bis (trifluoromethyl) bromobenzene, also known as 3,5-bis (trifluoromethyl) bromobenzene, is an organic compound with the chemical formula of C8H3BrF6. The following is a possible synthesis route:
(1). Synthesis of 3,5-bis (trifluoromethyl) benzoic acid:
First, in a dry environment, benzoic acid reacts with trifluoromethyl formaldehyde to produce 3,5-bis (trifluoromethyl) benzoic acid. The reaction conditions can be room temperature, using DCC as catalyst, and the reaction time is several hours. After the reaction, the product is washed and dried to obtain a high-purity product.
(2). Synthesis of 3,5-bis (trifluoromethyl) bromobenzene:
3,5-bis (trifluoromethyl) benzoic acid is reacted with sodium bisulfite to produce 3,5-bis (trifluoromethyl) benzoic acid sulfite. Then, the product is reacted with cuprous chloride to produce 3,5-bis (trifluoromethyl) bromobenzene. The reaction conditions can be high temperature, using DMF as solvent and under nitrogen atmosphere. After the reaction, the product can be obtained by washing and crystallization.
Refined products:
The obtained 3,5-bis (trifluoromethyl) bromobenzene may contain impurities and need further refining. Column chromatography, crystallization and other methods can be used to purify the products and obtain high-purity products.
(3). The synthesis route of 3,5-bis (trifluoromethyl) bromobenzene is generally completed by the following steps:
(1) Benzene dibromide is reacted in a mild medium of ammonium phosphite/ethanol to produce 3,5-dibromobenzene.
(2) 3,5-dibromobenzene is reacted in a mild medium of sodium trifluoromethyl phosphate/ethanol to produce 3,5-bis (trifluoromethyl) bromobenzene.
It should be noted that the above synthetic route is for reference only, and should be adjusted and optimized according to the specific situation in actual operation. In addition, because 3,5-bis (trifluoromethyl) bromobenzene is a dangerous substance, it is necessary to strictly observe the safety regulations during operation.
4、 Product user country, annual export volume
3,5-bis (trifluoromethyl) bromobenzene is produced by many countries, such as China, Japan, Germany, Australia, the United Kingdom, and South Korea. At present, its total global export volume has increased from 64600 tons in 2015 to 92400 tons in 2018, with 37800 tons exported, an increase of 59.12% year on year.
5、 3,5-Bistrifluoromethylbromobenzene is an organic compound with the following advantages:
Stable chemical properties: 3,5-bis (trifluoromethyl) bromobenzene has very stable chemical properties because it contains two trifluoromethyl groups. It is not easy to be affected by water, acid, alkali and other chemicals, and is not easy to react with oxidation, reduction, hydrolysis and other reactions.
Easy synthesis: The synthesis of 3,5-bis (trifluoromethyl) bromobenzene is relatively easy. The commonly used synthesis routes include trifluoromethylation and sulfite esterification. In the laboratory, high-purity products can usually be synthesized within a few hours.
Widely used: 3,5-bis (trifluoromethyl) bromobenzene is a multifunctional organic synthetic reagent, which can be used to prepare organic electrochromic materials, fluorescent probes, anticancer drugs and other compounds. It has important applications in medicine, material science and other fields.
Structural stability: the molecular structure of 3,5-bis (trifluoromethyl) bromobenzene is stable, and the trifluoromethyl group in the molecule enhances its molecular stability, making it maintain structural stability under various conditions.
To sum up, 3,5-bis (trifluoromethyl) bromobenzene is an important organic synthetic reagent with the advantages of stability, easy synthesis, wide application and stable structure.