Textbook Question
Using the given starting material, any necessary inorganic reagents and catalysts, and any carbon-containing compounds with no more than three carbons, indicate how each of the following compounds can be prepared:
e.
881
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Ch. 11 - Organometallic Compounds
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
Chapter 12, Problem 32a,b
What alkyl halide reacts with lithium divinylcuprate [(CH2=CH)2CuLi] for the synthesis of each of the following compounds?
a. 
b. 
Verified step by step guidance1
Step 1: Analyze the target compounds provided in the images. The first compound is styrene (benzene ring attached to a vinyl group), and the second compound is cyclohexylvinyl (cyclohexane ring attached to a vinyl group).
Step 2: Recall the reaction mechanism of lithium divinylcuprate [(CH2=CH)2CuLi]. This reagent is used in nucleophilic substitution reactions to introduce vinyl groups onto alkyl halides.
Step 3: For the synthesis of styrene, the alkyl halide required would be benzyl bromide (C6H5CH2Br). The lithium divinylcuprate will replace the bromine atom with a vinyl group.
Step 4: For the synthesis of cyclohexylvinyl, the alkyl halide required would be cyclohexyl bromide (C6H11Br). The lithium divinylcuprate will replace the bromine atom with a vinyl group.
Step 5: Ensure the reaction conditions are suitable for the cuprate substitution reaction, typically involving an aprotic solvent like THF and low temperatures to prevent side reactions.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Alkyl Halides
Alkyl halides are organic compounds containing a carbon atom bonded to a halogen atom (F, Cl, Br, I). They are important in organic synthesis due to their reactivity, particularly in nucleophilic substitution and elimination reactions. Understanding the structure and reactivity of different alkyl halides is crucial for predicting their behavior in reactions with reagents like lithium divinylcuprate.
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How to name alkyl halides
Lithium Divinylcuprate
Lithium divinylcuprate (LiC2H3)2CuLi is a reagent used in organic synthesis, particularly for the selective coupling of alkyl halides to form new carbon-carbon bonds. It acts as a nucleophile, attacking electrophilic centers in alkyl halides. Recognizing its reactivity and the types of alkyl halides it can effectively react with is essential for successful synthesis.
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01:17Reactivity of Molecules
Nucleophilic Substitution Reactions
Nucleophilic substitution reactions involve the replacement of a leaving group (like a halide) by a nucleophile. These reactions can follow either an SN1 or SN2 mechanism, depending on the structure of the alkyl halide and the conditions of the reaction. Understanding these mechanisms helps in predicting the outcome of reactions involving alkyl halides and nucleophiles like lithium divinylcuprate.
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01:47Nucleophiles and Electrophiles can react in Substitution Reactions.
Related Practice
Textbook Question
Using the given starting material, any necessary inorganic reagents and catalysts, and any carbon-containing compounds with no more than three carbons, indicate how each of the following compounds can be prepared:
d.
1255
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Textbook Question
What vinylic halide couples with styrene (C6H5-CH=CH2) in order to synthesize each of the following compounds using a Heck reaction?
c.
1559
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Textbook Question
What are the products of the following reactions?
a.
b.
71
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Textbook Question
Using the given starting material, any necessary inorganic reagents and catalysts, and any carbon-containing compounds with no more than three carbons, indicate how each of the following compounds can be prepared:
f.
671
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Textbook Question
What alkyl halide reacts with lithium divinylcuprate [(CH2=CH)2CuLi] for the synthesis of each of the following compounds?
c.
d.
1047
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