Textbook Question
Name the following alkanes using the IUPAC system of nomenclature. [Each molecule exemplifies one of the nomenclature rules in Tables 3.7 and 3.8.]
(n) rule 7
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Ch. 3 - Alkanes and Cycloalkanes: Properties and Conformational Analysis
Mullins1st EditionOrganic Chemistry: A Learner Centered ApproachISBN: 9780137566471
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Table of contents
- Ch. 2 - General Chemistry Translated: Finding the Electrons114
- Ch. 3 - Alkanes and Cycloalkanes: Properties and Conformational Analysis109
- Ch. 4 - Acids and Bases: Electron Flow144
- Ch. 5 - Chemical Reaction Analysis: Thermodynamics and Kinetics118
- Ch. 6 - Stereoisomerism: Arrangement of Atoms in Space112
- Ch. 7 - Principles of Green (Organic) Chemistry3
- Ch. 8 - Alkenes I: Properties and Electrophilic Additions158
- Ch. 9 - Alkenes II: Oxidation and Reduction150
- Ch. 10 - Alkynes: Electrophilic Addition and Redox Reactions101
- Ch. 11 - Properties and Synthesis of Alkyl Halides: Radical Reactions108
- Ch. 12 - Substitution and Elimination: Reactions of Haloalkanes172
- Ch. 13 - Alcohols, Ethers and Related Compounds: Substitution and Elimination239
- Ch. 14 - Structural Identification I: Infrared Spectroscopy and Mass Spectrometry54
- Ch. 15 - Structural Identification II: Nuclear Magnetic Resonance Spectroscopy93
- Ch. 16 - Metals in Organic Chemistry48
- Ch. 17 - Carbonyl Addition Reactions: Aldehydes and Ketones45
- Ch. 18 - Nucleophilic Acyl Substitution I: Carboxylic Acids18
- Ch. 19 - Nucleophilic Acyl Substitution II: Carboxylic Acid Derivatives39
- Ch. 20 - Enolates: Carbonyl Addition and Substitution13
- Ch. 21 - Conjugated Systems I: Stability and Addition Reactions56
- Ch. 22 - Conjugated Systems II: Pericyclic Reactions54
- Ch. 23 - Benzene I: Aromatic Stability and Substitution Reactions64
- Ch. 24 - Benzene II: Reactions Influenced by the Aromatic Ring62
- Ch. 25 - Amines: Structure, Reactions, and Synthesis27
- Ch. 26 - Amino Acids, Proteins, and Peptide Synthesis9
- Ch. 27 - Carbohydrates, Nucleic Acids, and Lipids54
Mullins1st EditionOrganic Chemistry: A Learner Centered ApproachISBN: 9780137566471Not the one you use?Change textbook
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Mullins 1st EditionCh. 3 - Alkanes and Cycloalkanes: Properties and Conformational AnalysisProblem 15k
Mullins 1st EditionCh. 3 - Alkanes and Cycloalkanes: Properties and Conformational AnalysisProblem 15kChapter 2, Problem 15k
Name the following alkanes using the IUPAC system of nomenclature. [Each molecule exemplifies one of the nomenclature rules in Tables 3.7 and 3.8.]
(k) rule 6
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Identify the longest continuous chain of carbon atoms in the molecule. This chain will serve as the parent chain, and its length determines the base name of the alkane (e.g., methane, ethane, propane, etc.).
Number the carbon atoms in the parent chain starting from the end nearest to the first substituent group. This ensures the substituents receive the lowest possible numbers.
Identify and name all substituent groups attached to the parent chain. Substituents are named based on the number of carbon atoms they contain (e.g., methyl, ethyl, propyl, etc.).
Combine the names of the substituents 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.
Ensure the name follows IUPAC Rule 6, which states that if two chains of equal length are present, choose the chain with the greater number of substituents as the parent chain. Double-check the numbering and naming for accuracy.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
IUPAC Nomenclature
The International Union of Pure and Applied Chemistry (IUPAC) nomenclature provides a systematic method for naming organic compounds. It establishes rules to ensure that each compound has a unique and descriptive name, which reflects its structure. Understanding these rules is essential for accurately identifying and communicating about organic molecules.
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The different parts of an IUPAC name
Alkane Structure
Alkanes are saturated hydrocarbons characterized by single bonds between carbon atoms and the general formula CnH2n+2. Their structure can be linear or branched, and recognizing the arrangement of carbon atoms is crucial for proper nomenclature. The number of carbon atoms and their connectivity directly influence the name assigned to the alkane.
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Nomenclature Rules
The IUPAC nomenclature rules include guidelines for identifying the longest carbon chain, naming substituents, and numbering the carbon atoms to give the lowest possible numbers to substituents. Rule 6 specifically addresses the naming of branched alkanes, emphasizing the importance of identifying the main chain and correctly labeling side groups. Mastery of these rules is vital for accurately naming organic compounds.
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Related Practice
Textbook Question
There are five alkane constitutional isomers with the molecular formula C6H14. Draw them.
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Textbook Question
When we begin studying reactive intermediates, the designation of substitution will be especially important. Label the following carbocations as 1° , 2°, 3°, or 4° or based on the carbon bearing the positive charge.
(b)
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Textbook Question
When we begin studying functional groups, the designation of substitution will be especially important. Label the following bromoalkanes as 1° , 2°, 3°, or 4° based on the carbon to which the bromine is attached.
(b)
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Textbook Question
Name the following alkanes using the IUPAC system of nomenclature. [Each molecule exemplifies one of the nomenclature rules in Tables 3.7 and 3.8.]
(j) rule 5
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Textbook Question
There are nine alkane constitutional isomers with the molecular formula C7H16. Draw them.
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