Domanda del libro di testo
What are the products of the following reactions?
d.
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Ch. 11 - Organometallic Compounds
Bruice8th EditionOrganic ChemistryISBN: 9780135213711
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TOC.tableOfContents
- Ch. 1 - Remembering General Chemistry: Electronic Structure and Bonding31
- 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
Capitolo 11, Problema 38a
Using the given starting material, any necessary inorganic reagents and catalysts, and any carbon-containing compounds with no more than two carbons, indicate how each of the following compounds can be prepared:
a. 
Guida verificata passo dopo passo1
Step 1: Begin with the given starting material, 1-bromobutane. The goal is to convert this alkyl halide into the desired aldehyde product.
Step 2: Perform a nucleophilic substitution reaction to replace the bromine atom with a cyanide group. Use sodium cyanide (NaCN) as the nucleophile in an SN2 reaction. This will yield butanenitrile (CH3CH2CH2CN).
Step 3: Hydrolyze the nitrile group to form a carboxylic acid. Use acidic hydrolysis (e.g., H2SO4 and water) to convert the nitrile group (-CN) into a carboxylic acid (-COOH), resulting in butanoic acid.
Step 4: Reduce the carboxylic acid to an aldehyde. Use a selective reducing agent such as diisobutylaluminum hydride (DIBAL-H) at low temperatures to stop the reduction at the aldehyde stage, yielding butanal.
Step 5: Confirm the structure of the final product, butanal, which matches the desired compound shown in the image.
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Nucleophilic Substitution
Nucleophilic substitution is a fundamental reaction in organic chemistry where a nucleophile attacks an electrophilic carbon atom, replacing a leaving group. In this case, the alkyl bromide serves as the substrate, and the bromine atom acts as the leaving group. Understanding this mechanism is crucial for predicting the products formed when the alkyl bromide reacts with a nucleophile, such as an alcohol or a carbonyl compound.
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Nucleophiles and Electrophiles can react in Substitution Reactions.
Carbonyl Compounds
Carbonyl compounds, characterized by the presence of a carbon-oxygen double bond (C=O), play a significant role in organic synthesis. They can undergo various reactions, including nucleophilic addition, where a nucleophile attacks the carbon atom of the carbonyl group. In the context of the question, the carbonyl compound is likely involved in the transformation of the alkyl bromide to an alcohol, highlighting the importance of understanding carbonyl reactivity.
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01:40Defining meso compounds.
Reduction Reactions
Reduction reactions involve the gain of electrons or hydrogen, leading to a decrease in oxidation state. In organic chemistry, this often refers to the conversion of carbonyl compounds to alcohols. The reaction depicted in the image suggests that the alkyl bromide is being transformed into an alcohol, which typically requires a reducing agent. Familiarity with common reducing agents and their mechanisms is essential for successfully completing the synthesis outlined in the question.
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07:12Reductive Amination
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