Textbook Question
Draw a condensed structure and a skeletal structure for each of the following:
g. 4-(1,1-dimethylethyl)heptane
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Ch. 3 - An Introduction to Organic Compounds:Nomenclature, Physical Properties, and Structure
Bruice8th EditionOrganic ChemistryISBN: 9780135213711
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Table of contents
- Ch. 1 - Remembering General Chemistry: Electronic Structure and Bonding (Part 1)31
- Ch. 1 - Remembering General Chemistry: Electronic Structure and Bonding (Part 2)65
- Ch. 2 - Acids and Bases: Central to Understanding Organic Chemistry84
- Ch. 3 - An Introduction to Organic Compounds:Nomenclature, Physical Properties, and Structure183
- Ch. 4 - Isomers: The Arrangement of Atoms in Space121
- Ch. 5 - Alkenes: Structure, Nomenclature, and an Introduction to Reactivity • Thermodynamics and Kinetics83
- Ch. 6 - The Reactions of Alkenes • The Stereochemistry of Addition Reactions175
- Ch. 7 - The Reactions of Alkynes • An Introduction to Multistep Synthesis119
- Ch. 8 - Delocalized Electrons: Their Effect on Stability, pKa, and the Products of a Reaction • Aromaticity and Electronic Effects: An Introduction to the Reactions of Benzene148
- Ch. 9 - Substitution and Elimination Reactions of Alkyl Halides212
- Ch. 10 - Reactions of Alcohols, Ethers, Epoxides, Amines, and Sulfur-Containing Compounds131
- Ch. 11 - Organometallic Compounds60
- Ch. 12 - Radicals90
- Ch. 13 - Mass Spectrometry; Infrared Spectroscopy; UV/Vis Spectroscopy62
- Ch. 14 - NMR Spectroscopy95
- Ch. 15 - Reactions of Carboxylic Acids and Carboxylic Acid Derivatives123
- Ch. 16 - Reactions of Aldehydes and Ketones • More Reactions of Carboxylic Acid Derivatives141
- Ch. 17 - Reactions at the Alpha-Carbon101
- Ch. 18 - Reactions of Benzene and Substituted Benzenes144
- Ch. 19 - More About Amines • Reactions of Heterocyclic Compounds49
- Ch. 20 - The Organic Chemistry of Carbohydrates80
- Ch. 21 - Amino Acids, Peptides, and Proteins57
- Ch. 22 - Catalysis in Organic Reactions and in Enzymatic Reactions35
- Ch. 23 - The Organic Chemistry of the Coenzymes—Compounds Derived from Vitamins1
- Ch. 28 - Pericyclic Reactions58
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Bruice 8th EditionCh. 3 - An Introduction to Organic Compounds:Nomenclature, Physical Properties, and StructureProblem 55a,b
Bruice 8th EditionCh. 3 - An Introduction to Organic Compounds:Nomenclature, Physical Properties, and StructureProblem 55a,bChapter 4, Problem 55a,b
Draw a condensed structure and a skeletal structure for each of the following:
a. sec-butyl tert-butyl ether
b. isoheptyl alcohol
Verified step by step guidance1
Step 1: Understand the problem. You are tasked with drawing two types of structures (condensed and skeletal) for two compounds: (a) sec-butyl tert-butyl ether and (b) isoheptyl alcohol. Condensed structures show all atoms and their connectivity in a compact form, while skeletal structures represent bonds between carbon atoms as lines, omitting hydrogen atoms bonded to carbons.
Step 2: For (a) sec-butyl tert-butyl ether, identify the functional groups and substituents. The compound is an ether, meaning it has an oxygen atom bonded to two alkyl groups. The 'sec-butyl' group is a four-carbon chain with a secondary carbon attached to the oxygen, and the 'tert-butyl' group is a three-carbon chain attached to a central carbon bonded to the oxygen.
Step 3: Draw the condensed structure for (a). Start with the oxygen atom (O) in the center. Attach the sec-butyl group on one side, which can be written as CH3CH(CH3)CH2-, and the tert-butyl group on the other side, which can be written as (CH3)3C-. Combine these to form the condensed structure.
Step 4: Draw the skeletal structure for (a). Represent the sec-butyl group as a zigzag line with a branch at the second carbon, and the tert-butyl group as a central carbon with three branches. Connect these groups via the oxygen atom.
Step 5: For (b) isoheptyl alcohol, identify the structure. 'Isoheptyl' refers to a seven-carbon chain with a branch at the second carbon, and 'alcohol' indicates the presence of an -OH group. Draw the condensed structure by writing the branched chain (CH3CH(CH3)CH2CH2CH2CH2-) and attaching the -OH group at the end. For the skeletal structure, represent the carbon chain as a zigzag line with a branch at the second carbon and an -OH group at the terminal carbon.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Condensed Structure
A condensed structure is a simplified representation of a molecule that shows the arrangement of atoms and their connectivity without depicting all the bonds explicitly. In this format, groups of atoms are often grouped together, and hydrogen atoms attached to carbons are usually omitted for clarity. This type of structure is useful for quickly conveying the molecular formula and connectivity in a compact form.
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Skeletal Structure
A skeletal structure, also known as a line-angle structure, is a representation of organic molecules where carbon atoms are represented by vertices or ends of lines, and hydrogen atoms are implied. This format emphasizes the carbon backbone and functional groups, making it easier to visualize the overall shape and connectivity of the molecule. It is particularly useful for larger molecules where a full structural formula would be cumbersome.
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Functional Groups
Functional groups are specific groups of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules. In the context of ethers and alcohols, the ether functional group (-O-) and the hydroxyl group (-OH) are crucial for understanding the properties and reactivity of sec-butyl tert-butyl ether and isoheptyl alcohol. Recognizing these groups helps in predicting the behavior of the compounds in chemical reactions.
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Related Practice
Textbook Question
Draw a condensed structure and a skeletal structure for each of the following:
c. sec-butylamine
d. isopentyl bromide
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Textbook Question
Draw a condensed structure and a skeletal structure for each of the following:
a. sec-butyl tert-butyl ether
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Textbook Question
What is the energy difference between the two chair conformers of cis-1,4-dimethylcyclohexane?
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Textbook Question
a. Draw Newman projections of the two conformers of trans-1,3-dimethylcyclohexane.
b. Which of the conformers predominates at equilibrium?
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Textbook Question
Calculate the energy difference between the two chair conformers of trans-1,4-dimethylcyclohexane.
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