Understanding the IUPAC Name of CH3COO-CH2-CH2-COOCH3: A Comprehensive Guide
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What is IUPAC Name?
Molecular structure, especially in organic compounds, can be complex and challenging to describe. Therefore, the International Union of Pure and Applied Chemistry (IUPAC) has established a standard method for naming organic compounds. This system is known as IUPAC nomenclature. It provides a consistent and logical approach to naming any given chemical structure. By understanding IUPAC naming, chemists, and students alike, can precisely describe the molecular structure and composition of substances.
The IUPAC Name: Butan-1,4-dioate
The chemical compound CH3COO-CH2-CH2-COOCH3 is known as butan-1,4-dioate. To break it down, let's first understand the structure of the compound:
The compound is an ester, consisting of two carboxylic acid ester groups, -COO-. The alkyl chain joining the two carboxylic acid ester groups is a 4-carbon chain (butane), with methyl (-CH3) and ethyl (-CH2CH3) substituents attached to the second and fourth carbon atoms, respectively.
Using IUPAC nomenclature, the alkyl chain is named first, followed by the location and types of substituents. In this case, the alkyl chain is named as butan-1,4-di-. The substituents are then specified with their positions and nature, which in this case are methyl (-CH3) and ethyl (-CH2CH3) groups.
Steps to Determine the IUPAC Name
IUPAC nomenclature involves several steps to name a compound correctly. Here are the key steps to determine the IUPAC name of CH3COO-CH2-CH2-COOCH3:
Step 1: Identify the Parent Chain
Start by identifying the longest continuous chain of carbon atoms. In this case, the parent chain is butane, a 4-carbon chain.
Step 2: Identify and Name Functional Groups
The functional groups present in the molecule are carboxylic acid ester (-COO-). This ester group appears twice in the structure.
Step 3: Identify and Name Substituents
The substituents in the molecule are methyl (-CH3) and ethyl (-CH2CH3). These are attached to the second and fourth carbon atoms of butane, respectively.
Step 4: Determine the Position of Functional Groups and Substituents
The carboxylic acid ester groups are at the second and fourth positions of the butane chain. Thus, the name is modified to include the positions of these functional groups.
Step 5: Combine and Finalize the Name
Combining all the information, the final IUPAC name is butan-1,4-dioate. The numbering adapted to the position of the carboxylic acid ester groups, where 1 is the position of the first carboxylic acid ester and 4 is the position of the second carboxylic acid ester.
Conclusion
Understanding the IUPAC name is crucial in organic chemistry as it provides a clear and systematic way to describe the structure of complex molecules. The IUPAC name of butan-1,4-dioate (CH3COO-CH2-CH2-COOCH3) is a prime example of how to name an ester with multiple carboxylic acid ester groups. If you want to learn more about organic chemistry and receive detailed explanations of various chemical structures, please consider subscribing to my channel, Your Channel Name.