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How might you make the catalytic cycle in Figure 9.31 more sustainable while still using NMO as the co-oxidant?
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Ch. 9 - Alkenes 2: Oxidation and Reduction
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
Capitolo 8, Problema 21
When using a terminal alkene under the conditions shown here, explain why it is unnecessary to show the relative stereochemical outcome in the product.
Guida verificata passo dopo passo1
Understand the nature of a terminal alkene: A terminal alkene is an alkene where the double bond is located at the end of the carbon chain. This means one of the carbons in the double bond is bonded to only one other carbon atom, while the other is bonded to two hydrogens.
Recognize the stereochemical implications: In a terminal alkene, the double bond involves a carbon atom that is bonded to two identical hydrogen atoms. This symmetry eliminates the possibility of stereochemical variation at this carbon.
Consider the reaction conditions: Many reactions involving alkenes, such as addition reactions, can lead to stereochemical outcomes. However, in the case of a terminal alkene, the symmetry of the molecule ensures that any stereochemical differences in the product are irrelevant or nonexistent.
Analyze the product formation: When a terminal alkene undergoes a reaction, the product typically does not have stereochemical centers at the site of the original double bond. This is because the substituents on the reacting carbon atoms are either identical or do not lead to stereochemical differentiation.
Conclude why stereochemistry is unnecessary: Since the terminal alkene does not introduce stereochemical complexity due to its symmetrical nature, it is unnecessary to show the relative stereochemical outcome in the product. The product will either be achiral or have no stereochemical variation at the site of the reaction.
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Terminal Alkenes
Terminal alkenes are hydrocarbons that contain a carbon-carbon double bond at the end of the carbon chain. This structural feature influences their reactivity and the types of reactions they undergo, particularly in addition reactions. Understanding the position of the double bond is crucial for predicting the outcome of reactions involving these compounds.
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Alkene Metathesis Concept 1
Stereochemistry
Stereochemistry refers to the study of the spatial arrangement of atoms in molecules and how this affects their chemical behavior. In reactions involving alkenes, stereochemistry can lead to different isomers, such as cis and trans forms. However, in certain reactions, especially those involving terminal alkenes, the formation of a single product may render stereochemical details unnecessary.
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Reaction Mechanism
A reaction mechanism outlines the step-by-step process by which reactants transform into products. Understanding the mechanism helps predict the products formed and their stereochemical outcomes. In the case of terminal alkenes, specific mechanisms may lead to a predominant product, making it unnecessary to specify stereochemistry if only one stereoisomer is formed.
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