Domanda del libro di testo
Give a common name (when possible) and a systematic name for each compound.
(d)
(e)
(f)
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Ch. 14 - Ethers, Epoxides, and Thioethers
Wade9th EditionOrganic ChemistryISBN: 9780135213728
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TOC.tableOfContents
- Ch.1 - Structure and Bonding107
- Ch. 2 - Acids and Bases; Functional Groups115
- Ch.3 - Structure and Stereochemistry of Alkanes100
- Ch.4 - The Study of Chemical Reactions99
- Ch.5 - Stereochemistry93
- Ch.6 - Alkyl Halides; Nucleophilic Substitution118
- Ch. 7 - Structure and Synthesis of Alkenes; Elimination158
- Ch.8 - Reactions of Alkenes171
- Ch.9 - Alkynes91
- Ch.10 - Structure and Synthesis of Alcohols143
- Ch.11 - Reactions of Alcohols104
- Ch. 12 - Infrared Spectroscopy and Mass Spectrometry22
- Ch. 13 - Nuclear Magnetic Resonance Spectroscopy45
- Ch. 14 - Ethers, Epoxides, and Thioethers72
- Ch. 15 - Conjugated Systems, Orbital Symmetry, and Ultraviolet Spectroscopy89
- Ch. 16 - Aromatic Compounds74
- Ch. 17 - Reactions of Aromatic Compounds126
- Ch. 18 - Ketones and Aldehydes193
- Ch. 19 - Amines129
- Ch. 20 - Carboxylic Acids77
- Ch. 21 - Carboxylic Acid Derivatives141
- Ch. 22 - Condensations and Alpha Substitutions of Carbonyl Compounds175
- Ch. 23 - Carbohydrates and Nucleic Acids93
- Ch. 24 - Amino Acids, Peptides, and Proteins54
Capitolo 14, Problema 4a,b,c
Give a common name (when possible) and a systematic name for each compound.
(a) CH3OCH=CH2
(b) CH3CH2OCH(CH3)2
(c) ClCH2CH2OCH3
Guida verificata passo dopo passo1
Step 1: Identify the functional group in each compound. For (a), the compound contains an ether group (-O-) and a double bond (alkene). For (b), the compound contains an ether group (-O-) and branching in the alkyl groups. For (c), the compound contains an ether group (-O-) and a chlorine substituent.
Step 2: For systematic naming, determine the longest carbon chain attached to the oxygen atom and name it as an alkoxy group. For (a), the -CH3 group attached to oxygen is named as 'methoxy,' and the double bond is part of the main chain. For (b), the -CH3CH2 group attached to oxygen is named as 'ethoxy,' and the branching is part of the main chain. For (c), the -CH3 group attached to oxygen is named as 'methoxy,' and the chlorine substituent is part of the main chain.
Step 3: Assign locants (numbers) to the substituents and functional groups based on the priority rules. For (a), the double bond gets the lowest number. For (b), the branching is numbered to give the lowest locants. For (c), the chlorine substituent gets the lowest number.
Step 4: Combine the locants, substituents, and parent chain name to form the systematic name. For (a), include the 'methoxy' group and the double bond. For (b), include the 'ethoxy' group and the branching. For (c), include the 'methoxy' group and the chlorine substituent.
Step 5: For common names, ethers are often named by listing the alkyl groups attached to the oxygen atom in alphabetical order followed by 'ether.' For (a), the groups are 'methyl' and 'vinyl.' For (b), the groups are 'ethyl' and 'isopropyl.' For (c), the groups are 'methyl' and 'chloroethyl.'
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Nomenclature in Organic Chemistry
Nomenclature refers to the systematic method of naming organic compounds based on their structure and functional groups. The International Union of Pure and Applied Chemistry (IUPAC) provides rules for naming compounds, which include identifying the longest carbon chain, determining the functional groups, and assigning locants to indicate the position of substituents.
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What is an organic molecule?
Functional Groups
Functional groups are specific groups of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules. Common functional groups include alcohols, ethers, alkenes, and halides. Recognizing these groups is essential for determining both the common and systematic names of organic compounds.
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02:36Identifying Functional Groups
Common vs. Systematic Names
Common names are informal names that are often derived from historical or traditional usage, while systematic names are derived from IUPAC rules and provide a clear description of the compound's structure. Understanding the difference is crucial for accurately identifying and communicating about organic compounds, especially when multiple naming conventions may apply.
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