Ch. 3 - An Introduction to Organic Compounds: Nomenclature, Physical Properties, and Structure

Bruice8th EditionOrganic ChemistryISBN: 9780135213711당신이 사용하는 게 아니라요?교과서 변경

Bruice 8th Edition

Ch. 3 - An Introduction to Organic Compounds: Nomenclature, Physical Properties, and Structure

문제 80b

3장, 문제 80b

What is each compound's systematic name?
b.

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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 (branch or functional group) to ensure the substituents receive the lowest possible numbers.

Step 3: Identify and name all substituents (e.g., alkyl groups like methyl, ethyl, etc., or functional groups like hydroxyl, halogens, etc.).

Step 4: Assign a number to each substituent based on its position on the parent chain. If there are multiple identical substituents, use prefixes such as di-, tri-, or tetra- to indicate their quantity.

Step 5: Combine the names of the substituents and the parent chain into the systematic name. Arrange substituents alphabetically, ignoring prefixes like di-, tri-, etc., and separate numbers from names with hyphens. Use commas to separate multiple numbers.

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주요 개념

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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.

Functional Groups

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

Structural Isomerism

Structural isomerism occurs when compounds have the same molecular formula but different structural arrangements of atoms. This can lead to different physical and chemical properties, making it important to specify the correct structure when naming a compound. Understanding isomerism is vital for accurately determining the systematic names of compounds, as different structures can yield different names.

What is each compound's systematic name? b.