Domanda del libro di testo
Predict the product of the following etherification reactions.
(b)
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Ch. 27 - Carbohydrates, Nucleic Acids, and Lipids
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. 27 - Carbohydrates, Nucleic Acids, and LipidsProblema 34b
Mullins 1st EditionCh. 27 - Carbohydrates, Nucleic Acids, and LipidsProblema 34bCapitolo 26, Problema 34b
Predict the product of each of the following reactions.
(b) 
Guida verificata passo dopo passo1
Identify the functional groups present in the starting material. The structure shown is a sugar, specifically an aldose, with an aldehyde group (CHO) at the top and multiple hydroxyl (OH) groups along the carbon chain.
Recognize the reagents used in the reaction: NaCN and HCN. These are used to perform a cyanohydrin formation reaction, where the cyanide ion (CN-) will attack the carbonyl carbon of the aldehyde group.
Understand the mechanism: The cyanide ion (CN-) acts as a nucleophile and attacks the electrophilic carbon of the aldehyde group, resulting in the formation of a tetrahedral intermediate.
Protonation of the alkoxide ion (formed in the intermediate) by HCN leads to the formation of a cyanohydrin, where the original aldehyde group is converted into a hydroxyl group and a nitrile group (C≡N) is added.
The final product will have the original sugar structure with the aldehyde group replaced by a cyanohydrin group, which consists of a hydroxyl group and a nitrile group on the same carbon.
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Cyanohydrin Formation
Cyanohydrin formation is a reaction where an aldehyde or ketone reacts with hydrogen cyanide (HCN) to form a cyanohydrin. In this process, the carbonyl carbon of the aldehyde or ketone is attacked by the cyanide ion, resulting in the addition of a cyano group and a hydroxyl group. This reaction is crucial for extending carbon chains in organic synthesis.
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02:36
Nitrile Reduction
Nucleophilic Addition Reaction
Nucleophilic addition is a fundamental reaction mechanism in organic chemistry where a nucleophile forms a bond with an electrophilic carbon atom, typically in a carbonyl group. In the context of cyanohydrin formation, the cyanide ion acts as the nucleophile, attacking the electrophilic carbon of the aldehyde, leading to the formation of a new carbon-carbon bond.
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08:27Nucleophilic Addition
Stereochemistry in Reactions
Stereochemistry involves the study of the spatial arrangement of atoms in molecules and its impact on chemical reactions. In reactions like cyanohydrin formation, the stereochemistry of the starting material can influence the configuration of the product. Understanding stereochemistry is essential for predicting the outcome of reactions involving chiral centers, such as those in monosaccharides.
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Percorso guidato
1:38Polymer Stereochemistry Concept 1
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