Domanda del libro di testo
Suggest a synthetic scheme, involving a protecting group, to generate the molecule shown starting with the molecule at the left.
(c)
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Ch. 17 - Carbonyl Addition Reactions: Aldehydes and Ketones
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. 17 - Carbonyl Addition Reactions: Aldehydes and KetonesProblema 66b
Mullins 1st EditionCh. 17 - Carbonyl Addition Reactions: Aldehydes and KetonesProblema 66bCapitolo 16, Problema 66b
Suggest a synthetic scheme, involving a protecting group, to generate the molecule shown starting with the molecule at the left.
(b) 
Guida verificata passo dopo passo1
Identify the functional groups in the starting material and the target molecule. The starting material is an aldehyde, and the target molecule has an additional ether group and a longer carbon chain.
Select a protecting group for the aldehyde to prevent it from reacting during the chain extension process. A common choice is the acetal protecting group, which can be formed by reacting the aldehyde with an alcohol in the presence of an acid catalyst.
Extend the carbon chain by performing a Grignard reaction. First, convert the alkyl halide to a Grignard reagent, then react it with the protected aldehyde to form the extended carbon chain.
Introduce the ether group by performing a Williamson ether synthesis. This involves reacting an alcohol with an alkyl halide in the presence of a base to form the ether linkage.
Finally, remove the protecting group to regenerate the aldehyde functionality. This can be done by hydrolysis of the acetal under acidic conditions, yielding the target molecule.
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Protecting Groups
Protecting groups are temporary modifications used in organic synthesis to prevent certain functional groups from reacting during a chemical transformation. They allow chemists to selectively modify other parts of a molecule without interference. After the desired reactions are completed, the protecting group can be removed to restore the original functional group.
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02:44
Protecting Groups
Synthetic Pathway
A synthetic pathway is a series of chemical reactions that lead to the formation of a desired product from a starting material. It involves strategic planning to determine the order of reactions, the reagents needed, and the conditions required to achieve the target molecule efficiently. Understanding the reactivity and compatibility of different functional groups is crucial in designing an effective synthetic pathway.
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Percorso guidato
2:13Energy Production In Biochemical Pathways Concept 1
Functional Group Interconversion
Functional group interconversion refers to the transformation of one functional group into another within a molecule. This concept is essential in organic synthesis as it allows chemists to modify the reactivity and properties of a compound. Mastery of various reactions that facilitate these conversions is vital for constructing complex molecules and achieving specific synthetic goals.
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02:36Identifying Functional Groups
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Suggest a synthetic scheme, involving a protecting group, to generate the molecule shown starting with the molecule at the left.
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