Domanda del libro di testo
Predict the product(s) that would result when the following molecules are allowed to react under the following conditions: (v) H2O. If there is no reaction, write 'no reaction.'
(a)
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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 88f(v,vi)
Mullins 1st EditionCh. 13 - Alcohols, Ethers and Related Compounds: Substitution and EliminationProblema 88f(v,vi)Capitolo 12, Problema 88f(v,vi)
Predict the product(s) that would result when the following molecules are allowed to react under the following conditions: (v) H2O; (vi) NaOH, H2O. If there is no reaction, write 'no reaction.'
(f) 
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Step 1: Analyze the given molecule. The structure is a cyclohexane ring attached to a tert-butyl group with a chlorine atom bonded to the tertiary carbon. This molecule is a tertiary alkyl halide.
Step 2: Consider the reaction conditions (v) H2O. Tertiary alkyl halides can undergo solvolysis reactions in water via an SN1 mechanism. The chlorine atom leaves, forming a tertiary carbocation, which is stabilized by the inductive effect of the tert-butyl group.
Step 3: In the SN1 mechanism, water acts as a nucleophile and attacks the carbocation, leading to the formation of an alcohol. The product would be a tertiary alcohol where the chlorine atom is replaced by a hydroxyl group.
Step 4: Consider the reaction conditions (vi) NaOH, H2O. In the presence of a strong base like NaOH, elimination (E2) is favored for tertiary alkyl halides. The base abstracts a proton from a β-carbon, leading to the formation of an alkene. The double bond forms between the cyclohexane ring and the tert-butyl group.
Step 5: Summarize the outcomes. Under condition (v), the product is a tertiary alcohol. Under condition (vi), the product is an alkene formed via elimination. If no reaction occurs, it would be explicitly stated, but tertiary alkyl halides are reactive under these conditions.
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Hydroboration-Oxidation
Hydroboration-oxidation is a two-step reaction process used to convert alkenes into alcohols. In the first step, BH₃ adds to the double bond of the alkene, forming a trialkylborane intermediate. The second step involves oxidation with H₂O₂ and NaOH, which converts the boron to a hydroxyl group, yielding an alcohol. This reaction is notable for its anti-Markovnikov selectivity.
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General properties of hydroboration-oxidation.
Oxymercuration-Demercuration
Oxymercuration-demercuration is a method for converting alkenes to alcohols via mercuric acetate (Hg(OAc)₂) and sodium borohydride (NaBH₄). The alkene reacts with Hg(OAc)₂ to form a mercurial intermediate, which is then reduced by NaBH₄ to yield an alcohol. This reaction follows Markovnikov's rule, where the hydroxyl group attaches to the more substituted carbon.
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05:General properties of oxymercuration-reduction.
Hydration of Alkenes
The hydration of alkenes involves the addition of water across a double bond, typically catalyzed by an acid like H₂SO₄. This process results in the formation of alcohols and can follow Markovnikov's rule, where the hydrogen atom adds to the less substituted carbon. The reaction can be reversible, and the conditions can influence the product distribution.
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