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• Solvents and Organic Chemicals Organic Compounds Acids/Esters

5-Bromopentanoic Acid Ethyl Ester (CAS No. 14660-52-7): An Overview and Applications in Modern Chemistry

5-Bromopentanoic Acid Ethyl Ester (CAS No. 14660-52-7) is a versatile organic compound that has garnered significant attention in recent years due to its unique properties and diverse applications in the fields of organic synthesis, pharmaceuticals, and materials science. This compound is characterized by its bromine functionality, which makes it an excellent precursor for a wide range of chemical transformations. In this article, we will delve into the chemical structure, synthesis methods, and potential applications of 5-Bromopentanoic Acid Ethyl Ester, highlighting the latest research findings and its role in advancing modern chemistry.

Chemical Structure and Properties

5-Bromopentanoic Acid Ethyl Ester (C8H14BrO2) is a colorless liquid with a molecular weight of 216.09 g/mol. The compound features a bromine atom attached to a five-carbon chain, with an ethyl ester group at the terminal end. This structure imparts several key properties to the molecule:

• Nucleophilic Substitution Reactivity: The presence of the bromine atom makes 5-Bromopentanoic Acid Ethyl Ester highly reactive towards nucleophilic substitution reactions (SN2). This reactivity is crucial for its use as a building block in organic synthesis.
• Ester Functionality: The ethyl ester group can be hydrolyzed under basic conditions to yield the corresponding carboxylic acid, making it useful in the preparation of various carboxylic acid derivatives.
• Solubility: 5-Bromopentanoic Acid Ethyl Ester is soluble in common organic solvents such as ethanol, acetone, and dichloromethane, which facilitates its use in various chemical reactions.

Synthesis Methods

The synthesis of 5-Bromopentanoic Acid Ethyl Ester can be achieved through several routes, each with its own advantages and limitations. One common method involves the reaction of 5-bromovaleric acid with ethanol in the presence of an acid catalyst such as sulfuric acid or p-toluenesulfonic acid. The reaction proceeds via an esterification process, yielding the desired product with high purity:

C5H9BrCOOH + C2H5OH → C8H14BrO2

An alternative approach involves the bromination of pentanoic acid ethyl ester using N-bromosuccinimide (NBS) or bromine gas. This method provides a more direct route to the brominated ester but requires careful control of reaction conditions to avoid side reactions:

C7H13O2C2H5 + Br->C8H14O2

Potential Applications in Organic Synthesis and Pharmaceuticals

The unique reactivity of 5-Bromopentanoic Acid Ethyl Ester makes it a valuable intermediate in organic synthesis. One notable application is in the synthesis of complex organic molecules, particularly those containing functionalized alkyl chains. For example, recent studies have demonstrated the use of this compound as a key intermediate in the preparation of bioactive molecules such as peptides and small molecule drugs.

In pharmaceutical research, 5-Bromopentanoic Acid Ethyl Ester

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• 821015-82-1(Octanedioic acid, 8-bromooctyl ethyl ester)
• 819883-44-8(Octanoic acid, 8-bromo-, 12-hydroxydodecyl ester)
• 819883-40-4(Octanoic acid, 8-bromo-, 8-hydroxyoctyl ester)
• 819883-39-1(Octanoic acid, 8-bromo-, 12-bromododecyl ester)
• 821015-79-6(Pentanedioic acid, 4-bromobutyl hexyl ester)
• 821015-81-0(Pentanedioic acid, 6-bromohexyl decyl ester)
• 821015-80-9(Pentanedioic acid, 6-bromohexyl hexyl ester)
• 819883-43-7(Octanoic acid, 8-bromo-, 11-hydroxyundecyl ester)
• 819883-42-6(Octanoic acid, 8-bromo-, 10-hydroxydecyl ester)
• 819883-41-5(Octanoic acid, 8-bromo-, 9-hydroxynonyl ester)