5-Bromo-1-pentene (link:https://www.bloomtechz.com/synthetic-chemical/organic-intermediates/5-bromo-1-pentene-cas-1119-51-3.html) is an organic compound whose molecular structure can be represented by the molecular formula C5H9Br.
1. Molecular formula and molecular weight:
The molecular formula of 5-Bromo-1-pentene is C5H9Br, which means that it consists of 5 carbon atoms, 9 hydrogen atoms and one bromine atom. According to the relative atomic mass of each element, the molecular weight of 5-Bromo-1-pentene can be calculated as 151.03 g/mol.
2. Structural formula:
The structural formula of 5-Bromo-1-pentene can be represented by linking carbon and hydrogen atoms and adding a bromine atom to the first carbon atom. The specific structure is as follows:
3. Main carbon chain:
It can be seen from the structural formula that the main carbon chain of 5-Bromo-1-pentene consists of 5 carbon atoms. The first carbon atom is connected to a methyl group (CH3), the second carbon atom is connected to an ethyl group (CH2CH3), and the third carbon atom is connected to a propenyl group (CH=CH2), An ethyl group (CH2CH3) is attached to the fourth carbon atom, and a bromine atom (Br) is attached to the last carbon atom.
4. Carbon-carbon double bond:
In the structure of 5-Bromo-1-pentene, a carbon-carbon double bond can be seen between the third and fourth carbon atoms. This double bond makes 5-Bromo-1-pentene an unsaturated compound.
5. Halogen substituents:
The molecule of 5-Bromo-1-pentene contains a bromine atom (Br) attached to the last carbon atom. This bromine atom imparts certain chemically reactive properties to the compound.
6. Hydrogen atom:
In addition to bromine atoms, 5-Bromo-1-pentene contains 9 hydrogen atoms. These hydrogen atoms attach to the carbon atoms and complement the chemical bonds of the compound.
5-Bromo-1-pentene is an organic compound whose chemical properties relate to physical properties, chemical reactions and various reactions it may participate in.
1. Chemical reaction:
- Reactivity: 5-Bromo-1-pentene is an alkene compound with unsaturated carbon-carbon double bonds and halogen substituents, so it has certain reactivity.
- Halogen substitution reactions: Due to the presence of bromine atoms, 5-Bromo-1-pentene can participate in various halogen substitution reactions, such as further bromination reactions or other halogen substitution reactions.
- Nucleophilic substitution reaction: On the halogen substituent of 5-Bromo-1-pentene, a nucleophilic substitution reaction can occur, such as a reaction with a nucleophilic reagent such as ammonia, alcohol or amine.
2. Possible response types:
- Addition reaction: Addition reactions can be carried out on the double bond of 5-Bromo-1-pentene, such as hydrogenation reaction, hydroxyl substitution reaction, etc.
- Elimination reaction: Under the influence of appropriate reaction conditions and catalysts, bromine atoms on adjacent carbon atoms of 5-Bromo-1-pentene can be removed together with a hydrogen atom to form alkenes or alkyl compounds.
3. Possible Response Participation:
- Alkylation reaction: Since there are unsaturated carbon-carbon double bonds and halogen substituents in the molecular structure of 5-Bromo-1-pentene, it may be the substrate of the alkylation reaction and participate in the alkylation under appropriate conditions reaction.
- Oxidation reactions: 5-Bromo-1-pentene may participate in oxidation reactions, such as with hydrogen peroxide or other oxidizing agents.
|
|
|
5-Bromo-1-pentene is an alkene compound containing bromine substituents with rich reactive properties.
1. Halogenation reaction:
The bromine atom in 5-Bromo-1-pentene makes it easy to undergo halogen substitution reaction. These reactions attack the bromine atom with a displacing reagent, forming a new carbon-halide bond.
1.1 Bromine substitution reaction: Under appropriate conditions, 5-Bromo-1-pentene can react with other halogens (such as chlorine, iodine) to form corresponding halogenated compounds. The reaction is usually carried out in an inert solvent and heated at an appropriate temperature.
1.2 Ortho bromine substitution reaction: There is a bromine atom at the ortho position on the adjacent carbon atom in 5-Bromo-1-pentene, which allows it to participate in the ortho substitution reaction. This reaction involves a nucleophile attacking a bromine atom on an adjacent carbon to generate a new substitution product.
2. Addition reaction:
5-Bromo-1-pentene has an unsaturated carbon-carbon double bond, so it is easy to undergo addition reaction.
2.1 Hydrogenation reaction: By using hydrogen and a catalyst (such as platinum, palladium, etc.), 5-Bromo-1-pentene can undergo a hydrogenation reaction, converting the carbon-carbon double bond into a saturated carbon-carbon single bond to form 1-pentane.
2.2 Hydroxylation reaction: When reacting with water or alcohol, the bromine atom on the double bond of 5-Bromo-1-pentene can be replaced by hydroxyl to form the corresponding alcohol product.
3. Elimination reaction:
The bromine atom in 5-Bromo-1-pentene is eliminated together with the hydrogen on the adjacent carbon to form an alkene or an alkyl compound.
4. Nucleophilic substitution reaction:
The bromine atoms in 5-Bromo-1-pentene can be attacked by nucleophiles, resulting in nucleophilic substitution products.
5. Response participation:
5-Bromo-1-pentene may be involved in other types of reactions including etherification, amination, and esterification.
As an organic compound, 5-Bromo-1-pentene has broad application prospects.
1. Synthetic organic chemistry: 5-Bromo-1-pentene is an important intermediate in organic synthesis. It can be used as a starting material or a key intermediate for the synthesis of other organic compounds. Through further functional modification and reaction of 5-Bromo-1-pentene, various organic substances can be synthesized, such as drugs, pesticides, dyes, polymer materials, etc. Therefore, for the field of organic synthetic chemistry, the study and utilization of 5-Bromo-1-pentene has great potential.
2. Pharmaceutical field: Due to the important position of 5-Bromo-1-pentene in organic synthesis, it also has potential application value in the pharmaceutical field. By further modification and functionalization of 5-Bromo-1-pentene, molecular structures with biological activity can be synthesized. These molecular structures may be used to develop new drugs or improve the performance of existing drugs. Therefore, the research on 5-Bromo-1-pentene is of great significance for finding new drug candidate compounds and drug development.
3. Materials science: 5-Bromo-1-pentene can be used to synthesize polymer materials, such as polymers and polymer blends. These polymer materials are widely used in plastics industry, rubber industry, paint industry and other fields. By adjusting the structure and reaction conditions of 5-Bromo-1-pentene, polymers with specific properties and functions can be synthesized, such as high-strength materials, thermally stable materials, electronic materials, etc. Therefore, the research and application of 5-Bromo-1-pentene in the field of material science also has great prospects.
4. Other fields: In addition to the above fields, 5-Bromo-1-pentene may also have application potential in other fields such as agriculture, dyes, and cosmetics. For example, it can be used in the synthesis of pesticides, the preparation of dyes and pigments, and the synthesis of functional ingredients in cosmetics.
In conclusion, 5-Bromo-1-pentene, as an organic compound, has broad application prospects in organic synthetic chemistry, medicine, material science and other related fields. For researchers, further understanding and utilization of the chemical properties and reaction behavior of 5-Bromo-1-pentene will help promote the development of related fields and promote the emergence of innovative technologies and products.