Chemical Formula | C11H11FO |
Molecular Weight | 178.202 g/mol |
Physical State | Solid (usually) |
Boiling Point | Approximately 270 - 280 °C (estimated) |
Solubility In Water | Insoluble |
Solubility In Organic Solvents | Soluble in common organic solvents like ethanol, dichloromethane |
Vapor Pressure | Low at room temperature |
Chemical Formula | C11H11FO |
Molecular Weight | 178.20 |
Physical State | Solid (usually) |
Appearance | White to off - white solid |
Odor | May have a faint, characteristic organic odor |
Solubility In Water | Low solubility, as it is an organic ketone with non - polar groups |
Solubility In Organic Solvents | Soluble in common organic solvents like dichloromethane, chloroform, ethyl acetate |
What are the chemical properties of 1-cyclopropyl-2-fluorobenzyl ketone?
1-Cyclopropyl-2-fluorobenzyl ketone is one of the organic compounds. Its chemical properties are quite unique and are of great significance in many chemical reactions and organic synthesis fields.
Looking at its physical properties, under normal conditions, 1-cyclopropyl-2-fluorobenzyl ketone is mostly in a colorless to light yellow liquid state, with certain volatility, and can emit a specific odor in the air. The values of its boiling point and melting point are determined by the intermolecular force and structural characteristics. Due to the existence of cyclopropyl and fluorine atoms, the intermolecular force is special, and the boiling point and melting point are different from those of ordinary ketones.
Discussing the chemical properties, the reactivity of its carbonyl groups is firstly discussed. Carbonyl groups are the key functional groups of this compound, and many typical reactions can occur. Such as nucleophilic addition reactions, under suitable conditions, nucleophilic reagents such as alcohols and amines can attack carbonyl carbons and form new carbon-heteroatom bonds. This reaction is often an important means to construct a carbon-heteroatom skeleton when synthesizing complex organic molecules.
Furthermore, due to the special structure of cyclopropyl groups, they have high cyclic tension, which causes the electron cloud density of the surrounding carbon atoms to change, which in turn affects the reactivity of the whole molecule. In some reactions, cyclopropyl groups can be used as active reaction check points, ring-opening reactions occur, and novel structures are formed. This property can provide a unique reaction path in organic synthesis, assisting in the synthesis of organic compounds with special structures and functions.
In addition, the introduction of fluorine atoms also significantly affects the chemical properties of the compound. Fluorine atoms are highly electronegative, which can affect the distribution of electron clouds in molecules through induction effects. This not only affects the reactivity of carbonyl groups, but also changes the reactivity of molecules to electrophilics. At the same time, fluorinated organic compounds often have special biological activities and physicochemical properties, which have attracted much attention in the fields of medicinal chemistry and materials science. 1-Cyclopropyl-2-fluorobenzyl ketone or the presence of fluorine atoms shows potential biological activity and can be used as a lead compound for drug development.
In short, 1-cyclopropyl-2-fluorobenzyl ketone has a unique molecular structure, which combines the characteristics of carbonyl, cyclopropyl and fluorine atoms, and has rich and diverse chemical properties. It has broad application prospects and research value in organic synthesis, medicinal chemistry and other fields.
What are the synthetic methods of 1-cyclopropyl-2-fluorobenzyl ketone?
The synthesis method of 1-cyclopropyl-2-fluorobenzyl ketone has been described in many books in the past, and the main ones are selected and briefly described below.
First, 2-fluorobenzoic acid is used as the starting material. First, 2-fluorobenzoic acid is co-heated with thionyl chloride to convert the carboxyl group into an acid chloride. This reaction is like cooking oil with intense fire, and the activity of acid chloride is greatly increased. Then the resulting acid chloride is subjected to Grignard reaction with cyclopropyl magnesium chloride. This is a key step. The temperature must be carefully controlled, like walking on thin ice in the abyss. The activity of Grignard's reagent is extremely high, and it can cleverly form a carbon-carbon bond by reacting with acyl chloride to obtain 1-cyclopropyl-2-fluorobenzophenone.
Second, 2-fluorobenzyl chloride is used as the starting material. First, 2-fluorobenzyl chloride is reacted with magnesium powder to make Grignard's reagent. This Grignard reagent is like a pioneer, and then reacts with cyclopropanoyl chloride. In this reaction, Grignard's reagent attacks the carbonyl group of the acid chloride. After a clever transformation, the target product 1-cyclopropyl-2-fluorobenzyl ketone can be obtained. However, in this process, the preparation and use of Grignard reagent requires a harsh environment without water and oxygen, otherwise it is prone to side reactions, like a mouse feces spoiling a pot of porridge.
Third, 2-fluorobenzaldehyde is used as the starting material. First, it is Grignard reacted with cyclopropyl methylmagnesium bromide to generate the corresponding alcohol. This alcohol is then oxidized and can be converted into 1-cyclopropyl-2-fluorobenzyl ketone. The oxidation step is very critical. You can choose a suitable oxidizing agent, such as Jones reagent, and you need to precisely control the reaction conditions to ensure the yield and purity.
All the above synthesis methods have their own advantages and disadvantages, depending on the actual situation, weigh the advantages and disadvantages, and choose the best one.
What areas 1-cyclopropyl-2-fluorobenzyl ketone is used in
1-Cyclopropyl-2-fluorobenzyl ketone (1-cyclopropyl-2-fluorobenzyl ketone) is useful in various fields.
In the field of pharmaceutical creation, it is an important organic synthesis intermediate. Chemists can use its unique chemical structure to construct more complex and delicate compounds. Taking the development of antibacterial drugs as an example, through the modification and modification of the structure of 1-cyclopropyl-2-fluorobenzyl ketone, new drugs with high antibacterial activity and low toxic and side effects can be found. Due to the presence of cyclopropyl and fluorine atoms, it can affect the spatial configuration and electron cloud distribution of molecules, endowing compounds with unique physical and chemical properties and biological activities, which help them bind closely with bacterial targets and achieve antibacterial effects.
In the field of materials science, 1-cyclopropyl-2-fluorobenzyl ketone can also be used. It can participate in the synthesis of special polymer materials. For example, the preparation of polymers with special optical and electrical properties. Due to the special structure of the compound, when introduced into the polymer chain, it may be able to regulate the intermolecular interactions and crystallization behavior of the polymer, thereby improving the properties of the material. If the material has better flexibility, thermal stability or optical transparency, it has potential applications in the preparation of electronic devices, optical lenses and other materials.
In the fragrance industry, 1-cyclopropyl-2-fluorobenzyl ketone may contribute unique odor characteristics due to its special molecular structure. Fragrances can use it to create novel fragrance formulas. The cyclopropyl and fluorine atoms in its structure give the molecule a special volatility and odor profile, or can add a unique flavor to the fragrance, which can be used to prepare high-end perfumes, air fresheners and other products to meet consumers' needs for unique aromas.
1-cyclopropyl-2-fluorobenzyl the market outlook for Ketone?
1-Cyclopropyl-2-fluorobenzyl ketone, that is, 1-cyclopropyl-2-fluorobenzyl ketone, is quite promising in the current market prospect.
Looking at its application field, it has great potential in the field of pharmaceutical and chemical industry. Today's pharmaceutical research and development, the exploration of novel compounds has not stopped for a while. 1-Cyclopropyl-2-fluorobenzyl ketone may provide an opportunity for the creation of new drugs because of its unique molecular structure. For example, it may show specific effects on the therapeutic targets of certain diseases, thus opening up new drug product lines for pharmaceutical companies and stimulating new market demands.
Furthermore, in the fine chemical industry, it can be a key intermediate for the synthesis of high-end chemicals. Fine chemical products are known for their high added value and high technical content. With 1-cyclopropyl-2-fluorobenzyl ketone, many fine chemicals with excellent performance can be derived to meet the strict requirements of special chemicals in electronics, materials and other industries, and gain a place in the high-end fine chemical market.
However, although its market prospects are good, there are also challenges. The process of synthesizing this compound may need to be refined. If the synthesis process is complicated and costly, it will hamper its large-scale production and marketing activities. Therefore, chemical researchers should strive to optimize the synthesis path, reduce costs and increase efficiency, so that 1-cyclopropyl-2-fluorobenzyl ketone can be put on the market at a more affordable price and enhance its market competitiveness.
And marketing activities are also a priority. It is necessary to let the downstream industry know its unique performance and application advantages in order to expand market demand. Enterprises should strengthen communication and cooperation with customers, in-depth understanding of market needs, and timely adjust production strategies to respond to market changes. In this way, 1-cyclopropyl-2-fluorobenzyl ketone has the opportunity to emerge in the market and achieve a career.
What is the production process of 1-cyclopropyl-2-fluorobenzyl ketone?
The production process of 1-cyclopropyl-2-fluorobenzyl ketone is an important matter in chemical manufacturing. The preparation of this compound often requires several delicate steps.
First of all, the choice of raw materials is very critical. Usually a specific aromatic compound with cyclopropyl and fluorine is used as the starting material, and the cover can lay the foundation for the target product skeleton due to its structural characteristics.
At the beginning of preparation, or a substitution reaction is performed. In this reaction, a specific reagent interacts with the starting material to replace the hydrogen atom on the benzene ring with the desired group, and then the benzyl ketone structure is introduced. This step requires fine regulation of reaction conditions, such as temperature, pressure, and reaction duration, to ensure that the reaction proceeds along a predetermined path to obtain the desired intermediate.
Then, the intermediate may need to be further converted. This may involve the modification of cyclopropyl groups, or the adjustment of other groups, so that the molecular configuration conforms to the requirements of the target product. This process often requires the use of catalytic reactions to improve the efficiency and selectivity of the reaction with the power of specific catalysts.
Furthermore, the purification step is indispensable. The reaction products often contain impurities and need to be purified by various means, such as distillation, recrystallization, column chromatography, etc., to obtain high-purity 1-cyclopropyl-2-fluorobenzyl ketone. Distillation can separate impurities according to the difference in boiling points of different substances; recrystallization makes the target product crystallize and precipitate in a suitable solvent by means of solubility characteristics; column chromatography uses the principle of adsorption and elution to effectively separate the components in the mixture.
Between each step, the transfer and handling of materials also need to be careful to prevent product loss or the introduction of new impurities. In this way, interlocking and careful operation can obtain high-quality 1-cyclopropyl-2-fluorobenzyl ketone.