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 66d
Mullins 1st EditionCh. 17 - Carbonyl Addition Reactions: Aldehydes and KetonesProblema 66dCapitolo 16, Problema 66d
Suggest a synthetic scheme, involving a protecting group, to generate the molecule shown starting with the molecule at the left.
(d) 
Guida verificata passo dopo passo1
Identify the functional groups in the starting material and the target molecule. The starting material is a secondary alcohol, and the target molecule is an aldehyde with an additional carbon chain.
Recognize that the primary alcohol in the starting material needs to be protected to prevent it from reacting during the oxidation step. Use a protecting group such as a silyl ether (e.g., TBSCl) to protect the alcohol.
Perform a Grignard reaction to extend the carbon chain. First, convert the terminal alkene to a Grignard reagent using magnesium in dry ether. Then, react it with formaldehyde to introduce an additional carbon and form a primary alcohol.
Oxidize the newly formed primary alcohol to an aldehyde using a mild oxidizing agent such as PCC (Pyridinium chlorochromate).
Finally, remove the protecting group from the original alcohol using a fluoride source like TBAF (Tetrabutylammonium fluoride) to regenerate the free alcohol group.
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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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Protecting Groups
Synthetic Pathway
A synthetic pathway is a series of chemical reactions designed to convert starting materials into a desired product. It involves strategic planning to determine the order of reactions, the choice of reagents, and the conditions required for each step. Understanding the synthetic pathway is crucial for efficiently synthesizing complex molecules.
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Percorso guidato
2:13Energy Production In Biochemical Pathways Concept 1
Functional Group Interconversion
Functional group interconversion refers to the process of transforming 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 key to designing effective synthetic routes.
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02:36Identifying Functional Groups
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(b)
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