Domanda del libro di testo
Convert each line-angle drawing, using appropriate bond rotations, into a correct Fischer projection.
(c)
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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 10a
Mullins 1st EditionCh. 27 - Carbohydrates, Nucleic Acids, and LipidsProblema 10aCapitolo 26, Problema 10a
Categorize the following monosaccharides as d or l.
(a) 
Guida verificata passo dopo passo1
Identify the chiral center farthest from the carbonyl group in the monosaccharide. In this structure, the chiral center is the carbon atom bonded to the OH group at the bottom of the Fischer projection.
Determine the orientation of the hydroxyl group (OH) attached to this chiral center. In a Fischer projection, if the OH group is on the right, the sugar is classified as a D-sugar. If the OH group is on the left, it is classified as an L-sugar.
In the given structure, observe that the OH group on the chiral center farthest from the carbonyl group is on the left side.
Based on the orientation of the OH group, classify the monosaccharide. Since the OH group is on the left, this monosaccharide is an L-sugar.
Conclude that the given monosaccharide is categorized as an L-monosaccharide based on the position of the OH group in the Fischer projection.
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D and L Configuration
The D and L notation refers to the configuration of monosaccharides based on the orientation of the hydroxyl group (-OH) on the chiral carbon farthest from the carbonyl group. If the -OH group is on the right in a Fischer projection, the sugar is classified as D; if it is on the left, it is classified as L. This system helps in distinguishing between different stereoisomers of sugars.
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05:09
Representations of L-Configuration
Fischer Projection
A Fischer projection is a two-dimensional representation of a three-dimensional organic molecule, particularly useful for depicting the stereochemistry of sugars. In this format, vertical lines represent bonds that project away from the viewer, while horizontal lines represent bonds that project towards the viewer. Understanding Fischer projections is essential for determining the D or L configuration of monosaccharides.
Video consigliato:
09:56Monosaccharides - Drawing Fischer Projections
Monosaccharide Structure
Monosaccharides are the simplest form of carbohydrates, consisting of a single sugar unit with a general formula of (CH2O)n. They can exist in linear or cyclic forms and contain functional groups such as aldehydes or ketones. Recognizing the structure of monosaccharides is crucial for categorizing them as D or L, as it involves identifying the correct chiral center and its substituents.
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06:06Monosaccharides - Common Structures
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