Textbook Question
Draw the structures of the following compounds. (Includes both new and old names.)
(a) triphenylmethanol
(b) 4-(chloromethyl)heptan-3-ol
(c) 2-cyclohexen-1-ol
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Ch.10 - Structure and Synthesis of Alcohols
Wade9th EditionOrganic ChemistryISBN: 9780135213728
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Table of contents
- Ch.1 - Structure and Bonding107
- Ch. 2 - Acids and Bases; Functional Groups115
- Ch.3 - Structure and Stereochemistry of Alkanes100
- Ch.4 - The Study of Chemical Reactions99
- Ch.5 - Stereochemistry93
- Ch.6 - Alkyl Halides; Nucleophilic Substitution118
- Ch. 7 - Structure and Synthesis of Alkenes; Elimination158
- Ch.8 - Reactions of Alkenes171
- Ch.9 - Alkynes91
- Ch.10 - Structure and Synthesis of Alcohols143
- Ch.11 - Reactions of Alcohols104
- Ch. 12 - Infrared Spectroscopy and Mass Spectrometry22
- Ch. 13 - Nuclear Magnetic Resonance Spectroscopy45
- Ch. 14 - Ethers, Epoxides, and Thioethers72
- Ch. 15 - Conjugated Systems, Orbital Symmetry, and Ultraviolet Spectroscopy89
- Ch. 16 - Aromatic Compounds74
- Ch. 17 - Reactions of Aromatic Compounds126
- Ch. 18 - Ketones and Aldehydes193
- Ch. 19 - Amines129
- Ch. 20 - Carboxylic Acids77
- Ch. 21 - Carboxylic Acid Derivatives141
- Ch. 22 - Condensations and Alpha Substitutions of Carbonyl Compounds175
- Ch. 23 - Carbohydrates and Nucleic Acids93
- Ch. 24 - Amino Acids, Peptides, and Proteins54
Chapter 10, Problem 32i,j
Draw the structures of the following compounds. (Includes both new and old names.)
i. cyclopent-3-ene-1-thiol
j. dimethyl disulfide
Verified step by step guidance1
Step 1: Understand the IUPAC naming conventions for the given compounds. For (i) cyclopent-3-ene-1-thiol, the name indicates a cyclopentane ring with a double bond at position 3 and a thiol (-SH) group at position 1. For (j) dimethyl disulfide, the name indicates two methyl groups connected by a disulfide bond (-S-S-).
Step 2: For (i) cyclopent-3-ene-1-thiol, start by drawing a cyclopentane ring (a five-membered ring). Then, add a double bond between carbon atoms 3 and 4. Finally, attach a thiol (-SH) group to carbon atom 1.
Step 3: For (j) dimethyl disulfide, begin by drawing two methyl groups (CH₃). Then, connect the sulfur atoms of each methyl group with a single bond to form the disulfide linkage (-S-S-).
Step 4: Verify the structures by ensuring that all valencies of carbon and sulfur atoms are satisfied. Carbon should have four bonds, and sulfur should have two bonds.
Step 5: Label the structures clearly to indicate which one corresponds to (i) cyclopent-3-ene-1-thiol and which one corresponds to (j) dimethyl disulfide. This ensures clarity in your final representation.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Structural Representation of Organic Compounds
Understanding how to draw the structures of organic compounds is fundamental in organic chemistry. This involves recognizing the arrangement of atoms, bonds, and functional groups within a molecule. For example, cyclopent-3-ene-1-thiol features a cyclopentene ring with a thiol (-SH) group, which must be accurately represented in its structure.
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Defining meso compounds.
Nomenclature of Organic Compounds
Organic nomenclature is the systematic method of naming organic chemical compounds. It follows specific rules set by the International Union of Pure and Applied Chemistry (IUPAC). For instance, the name 'dimethyl disulfide' indicates a compound with two methyl groups and two sulfur atoms, which is crucial for understanding its structure and properties.
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Functional Groups in Organic Chemistry
Functional groups are specific groups of atoms within molecules that determine the chemical reactivity and properties of those molecules. In the case of cyclopent-3-ene-1-thiol, the thiol group (-SH) is a key functional group that influences its reactivity. Recognizing these groups is essential for predicting the behavior of organic compounds in chemical reactions.
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Related Practice
Textbook Question
Give systematic (IUPAC) names for the following diols and phenols.
(a)
(b)
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Textbook Question
Draw the structures of the following compounds. (Includes both new and old names.)
(k) 3-methylhex-4-yn-2-ol
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Textbook Question
Predict which member of each pair has the higher boiling point, and explain the reasons for your predictions.
a. hexan-1-ol or 3,3-dimethylbutan-1-ol
b. hexan-2-one or hexan-2-ol
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Textbook Question
Predict which member of each pair is more acidic, and explain the reasons for your predictions.
a. cyclopentanol or 3-chlorophenol
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Textbook Question
Draw the structures of the following compounds. (Includes both new and old names.)
(d) 3-cyclopentylhexan-3-ol
(e) meso-2,4-pentanediol
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