Write the IUPAC name of each compound.

Name: Problem 12, Chapter 14: Introduction to General, Organic and Biochemistry
Uploaded: 2026-03-01T22:59:00-08:00
Duration: 7 min 33 s
Channel: Susan Hallstrom
Description: Write the IUPAC name of each compound.

Key Concepts

IUPAC Nomenclature

IUPAC nomenclature is a standardized system developed by the International Union of Pure and Applied Chemistry for naming chemical compounds systematically. It ensures that every compound has a unique and universally accepted name that conveys structural information about the molecule. This system relies on a set of rules that are applied to describe the arrangement of atoms, functional groups, and bonding in a compound.

Parent Chain Determination

One of the key steps in IUPAC naming is identifying the longest continuous carbon chain in the compound, which becomes the parent chain. This step is crucial because the parent chain determines the base name of the compound. The selection process also involves considering the presence of multiple bonds and various functional groups, ensuring that the most significant features are included in the parent chain.

Substituent Naming and Locant Assignment

After identifying the parent chain, substituents attached to it must be recognized, named, and assigned positions, known as locants, based on their attachment points. The locant assignment follows specific rules aimed at minimizing the numbers used and reflecting the structure of the compound accurately. This process is important in conveying where additional atoms or groups are attached to the main chain.

Functional Group Priority

When a compound contains multiple functional groups, IUPAC rules provide a hierarchy of functional group priorities that influence both the selection of the parent chain and the suffixes used in the compound’s name. The highest priority group typically determines the principal functional class of the compound as well as the numbering scheme, ensuring that the most important functional features are clearly indicated in the final name.

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