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Ch. 7 - The Reactions of Alkynes • An Introduction to Multistep Synthesis
Bruice - Organic Chemistry 8th Edition
Bruice8th EditionOrganic ChemistryISBN: 9780135213711Not the one you use?Change textbook
Chapter 8, Problem 33a

What is each compound's systematic name?
a. Structural formula of a compound with a triple bond and a bromine substituent, labeled with its chemical formula.

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1
Step 1: Identify the longest continuous carbon chain in the compound. This chain will serve as the parent chain, and its length determines the base name (e.g., methane, ethane, propane, etc.).
Step 2: Number the carbon atoms in the parent chain starting from the end closest to the first substituent group. This ensures the substituents receive the lowest possible numbers.
Step 3: Identify and name all substituent groups attached to the parent chain. Common substituents include alkyl groups (e.g., methyl, ethyl) and functional groups (e.g., hydroxyl, halogens).
Step 4: Combine the substituent names with the parent chain name. Use prefixes to indicate the number of identical substituents (e.g., di-, tri-, tetra-) and place the substituent names in alphabetical order. Include the position numbers of the substituents before their names.
Step 5: If applicable, identify and prioritize functional groups according to IUPAC rules. Functional groups may affect the suffix of the compound's name (e.g., -ol for alcohols, -al for aldehydes). Ensure the name reflects the highest-priority functional group.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

IUPAC Nomenclature

IUPAC nomenclature is a systematic method for naming organic chemical compounds. It provides a set of rules to create unique names based on the structure of the molecule, including the longest carbon chain, functional groups, and substituents. Understanding these rules is essential for accurately identifying and communicating the identity of compounds.
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Functional Groups

Functional groups are specific groups of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules. Recognizing functional groups, such as alcohols, ketones, and carboxylic acids, is crucial for determining the properties and reactivity of organic compounds, which directly influences their systematic naming.
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Structural Isomerism

Structural isomerism occurs when compounds have the same molecular formula but different structural arrangements of atoms. This concept is important in nomenclature because different isomers can have distinct names and properties. Understanding how to identify and differentiate between isomers is key to providing the correct systematic names for compounds.
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