Domanda del libro di testo
On the reaction coordinate diagram for the disfavored nucleophilic displacement of hydroxide, predict the curve that would demonstrate how using a tosylate makes the substitution favorable.
<IMAGE>
921
views
Ch. 13 - Alcohols, Ethers and Related Compounds: Substitution and Elimination
Mullins1st EditionOrganic Chemistry: A Learner Centered ApproachISBN: 9780137566471
Non è quello che usi tu?Cambia libro di testoScegli un libro di testo diverso
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
Tutti i libri di testo
Mullins 1st EditionCh. 13 - Alcohols, Ethers and Related Compounds: Substitution and EliminationProblema 29
Mullins 1st EditionCh. 13 - Alcohols, Ethers and Related Compounds: Substitution and EliminationProblema 29Capitolo 12, Problema 29
Using an excess of HCl in the following reaction resulted in a product that was not simply the substitution of chlorine for the hydroxyl group. Predict the identity of the product obtained.
Guida verificata passo dopo passo1
Step 1: Analyze the starting material, which is a cyclohexanol derivative. The hydroxyl group (-OH) is attached to a cyclohexane ring with a methyl group at the 1-position.
Step 2: Recognize that the reaction involves an excess of HCl. In acidic conditions, the hydroxyl group can be protonated to form water, which is a good leaving group. This sets the stage for a substitution or elimination reaction.
Step 3: Consider the possibility of carbocation formation. When the hydroxyl group leaves as water, a carbocation intermediate is formed at the 1-position. The stability of this carbocation is crucial for determining the reaction pathway.
Step 4: Evaluate the carbocation stability. The carbocation at the 1-position can undergo a hydride shift or methyl shift to form a more stable tertiary carbocation at the 2-position. This rearrangement is common in reactions involving carbocations.
Step 5: Predict the final product. Instead of simple substitution of chlorine for the hydroxyl group, the rearranged tertiary carbocation reacts with chloride ion (Cl⁻) from HCl to form a tertiary alkyl chloride at the 2-position. This explains why the product is not the direct substitution product.
Risposta video verificata per un problema simile:
Questa soluzione video è stata consigliata dai nostri tutor come utile per risolvere questo problema.
Durata del video:
4mConcetti chiave
Ecco i concetti essenziali che devi comprendere per rispondere correttamente alla domanda.
Nucleophilic Substitution
Nucleophilic substitution is a fundamental reaction in organic chemistry where a nucleophile replaces a leaving group in a molecule. In this context, the hydroxyl group (-OH) acts as a leaving group, and HCl provides chloride ions (Cl-) that can act as nucleophiles. Understanding this mechanism is crucial for predicting the outcome of reactions involving alcohols and halogen acids.
Video consigliato:
01:47
Nucleophiles and Electrophiles can react in Substitution Reactions.
Rearrangement Reactions
Rearrangement reactions involve the structural reorganization of a molecule, often leading to the formation of more stable products. In the presence of excess HCl, the reaction may not only substitute the hydroxyl group but also rearrange the carbon skeleton, resulting in a different product than expected. Recognizing the potential for rearrangement is essential for predicting the final product.
Video consigliato:
06:08Definition of Claisen Rearrangement
Carbocation Stability
Carbocation stability is a key concept in organic chemistry that influences reaction pathways. Carbocations are positively charged carbon species that can form during nucleophilic substitution or rearrangement reactions. The stability of these intermediates, which can be primary, secondary, or tertiary, affects the likelihood of different products forming, especially when excess reagents are present.
Video consigliato:
05:58Determining Carbocation Stability
Pratica correlata
Domanda del libro di testo
Provide an arrow-pushing mechanism that rationalizes the outcome of the reaction shown.
845
views
Domanda del libro di testo
When SOCl2 is used in place of HCl, only one product results. Why are these conditions better?
1015
views
Domanda del libro di testo
Predict the product of the following reactions.
(a)
1003
views
Domanda del libro di testo
Predict the product of the following reactions.
(b)
632
views
Domanda del libro di testo
Identify the reagent that should be used to obtain each stereochemical outcome shown.
(a)
820
views