Textbook Question
The following molecules were named incorrectly according to IUPAC nomenclature. Give the correct name of these compounds.
d. (E)-2-methylhex-2-en-6-al
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Ch. 17 - Carbonyl Addition Reactions: Aldehydes and Ketones
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. 17 - Carbonyl Addition Reactions: Aldehydes and KetonesProblem 56b
Mullins 1st EditionCh. 17 - Carbonyl Addition Reactions: Aldehydes and KetonesProblem 56bChapter 16, Problem 56b
The following molecules were named incorrectly according to IUPAC nomenclature. Give the correct name of these compounds.
b. (R)-6-bromo-7-oxoheptan-2-one
Verified step by step guidance1
Step 1: Identify the longest carbon chain in the molecule. The name 'heptan-2-one' suggests a seven-carbon chain with a ketone group at the second position.
Step 2: Determine the correct numbering of the carbon chain. The ketone group should have the lowest possible number, so number the chain starting from the end closest to the ketone group.
Step 3: Locate and identify the substituents on the carbon chain. The name '6-bromo-7-oxo' indicates a bromine atom at the sixth position and an oxo group (another ketone) at the seventh position.
Step 4: Consider the stereochemistry. The '(R)' configuration indicates the absolute configuration of the chiral center. Identify the chiral center and verify its configuration using the Cahn-Ingold-Prelog priority rules.
Step 5: Assemble the correct IUPAC name. Ensure that the substituents are listed in alphabetical order and the stereochemistry is correctly indicated. The name should reflect the correct numbering and configuration of the molecule.
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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 standardized system for naming chemical compounds, ensuring clarity and consistency in communication. It involves identifying the longest carbon chain, assigning priority to functional groups, and using prefixes and suffixes to denote substituents and functional groups. Correct application of these rules is essential for accurately naming organic molecules.
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The different parts of an IUPAC name
Stereochemistry
Stereochemistry involves the study of the spatial arrangement of atoms in molecules and its impact on chemical properties. The (R) and (S) designations refer to the configuration of chiral centers, determined by the Cahn-Ingold-Prelog priority rules. Understanding stereochemistry is crucial for correctly naming compounds with chiral centers, as it affects their biological activity and interactions.
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Functional Groups
Functional groups are specific groups of atoms within molecules that are responsible for characteristic chemical reactions. In organic chemistry, identifying and prioritizing functional groups like ketones, alcohols, and halides is vital for naming compounds. The presence and position of these groups influence the naming process according to IUPAC rules, affecting the suffixes and prefixes used.
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Related Practice
Textbook Question
Show the product expected by the Wolff–Kishner reduction of the following aldehydes/ketones.
(a)
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Textbook Question
During an oxidation reaction, there must also be a reduction. What is reduced in the Pinnick oxidation?
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Textbook Question
Draw the molecular orbital picture of but-3-en-2-one.
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Textbook Question
The following molecules were named incorrectly according to IUPAC nomenclature. Give the correct name of these compounds.
(a) 3-oxo-5-methylhexan-2-ol
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Textbook Question
Starting with formaldehyde and the alkyl halides shown as the only sources of carbon, provide a synthesis of the following alcohol.
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