Domanda del libro di testo
The reaction of alkoxides with haloalkanes is not a viable way to form ethers. (a) Why? (b) Why can thioethers be formed by an analogous reaction?
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Ch. 13 - Alcohols, Ethers and Related Compounds: Substitution and Elimination
Mullins1st EditionOrganic Chemistry: A Learner Centered ApproachISBN: 9780137566471
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TOC.tableOfContents
- 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 1: Properties and Electrophilic Additions158
- Ch. 9 - Alkenes 2: 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 1: Infrared Spectroscopy and Mass Spectrometry54
- Ch. 15 - Structural Identification 2: Nuclear Magnetic Resonance Spectroscopy93
- Ch. 16 - Metals in Organic Chemistry48
- Ch. 17 - Carbonyl Addition Reactions: Aldehydes and Ketones45
- Ch. 18 - Nucleophilic Acyl Substitution 1: Carboxylic Acids18
- Ch. 19 - Nucleophilic Acyl Substitution 2: Carboxylic Acid Derivatives39
- Ch. 20 - Enolates: Carbonyl Addition and Substitution13
- Ch. 21 - Conjugated Systems 1: Stability and Addition Reactions56
- Ch. 22 - Conjugated Systems 2: Pericyclic Reactions54
- Ch. 23 - Benzene 1: Aromatic Stability and Substitution Reactions64
- Ch. 24 - Benzene 2: 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: 9780137566471Non è quello che usi tu?Cambia libro di testo
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Mullins 1st EditionCh. 13 - Alcohols, Ethers and Related Compounds: Substitution and EliminationProblema 106a(vi)
Mullins 1st EditionCh. 13 - Alcohols, Ethers and Related Compounds: Substitution and EliminationProblema 106a(vi)Capitolo 12, Problema 106a(vi)
Predict the product(s) that would result when molecules (a)–(p) are allowed to react under the following conditions: (vi) H₂SO₄. If no reaction occurs, write 'no reaction.'
(a) 
Guida verificata passo dopo passo1
Identify the functional group in the given molecule. The structure shows a benzene ring with a primary alcohol group attached, known as benzyl alcohol.
Consider the reaction conditions: H₂SO₄ is a strong acid and can act as a dehydrating agent.
Recognize that under acidic conditions, primary alcohols can undergo dehydration to form alkenes. In this case, benzyl alcohol can lose a water molecule to form a double bond.
Propose the mechanism: The hydroxyl group (OH) will be protonated by H₂SO₄, making it a better leaving group. This will lead to the formation of a carbocation.
Predict the product: The carbocation formed can lose a proton to form a double bond, resulting in the formation of styrene (phenylethene) as the major product.
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Acid-Base Reactions
In organic chemistry, acid-base reactions involve the transfer of protons (H⁺) between molecules. Strong acids, like sulfuric acid (H₂SO₄), can donate protons to bases, facilitating various reactions such as dehydration or protonation. Understanding the role of acids and bases is crucial for predicting the outcome of reactions involving functional groups.
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The Lewis definition of acids and bases.
Electrophilic Addition
Electrophilic addition is a fundamental reaction mechanism in organic chemistry where an electrophile reacts with a nucleophile, leading to the formation of a more saturated product. In the presence of H₂SO₄, alkenes and alkynes can undergo electrophilic addition, resulting in the formation of carbocations and subsequent products. Recognizing the nature of the reactants helps in predicting the products formed.
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09:231,2 vs 1,4 Addition
Reaction Conditions
The conditions under which a reaction occurs significantly influence the products formed. In this case, the presence of concentrated sulfuric acid can lead to dehydration reactions, where water is removed from alcohols or alkenes, forming alkenes or ethers. Understanding how temperature, concentration, and solvent affect reaction pathways is essential for accurate predictions.
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Percorso guidato
1:18EAS Reactions of Pyridine Example 1
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