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Ch. 14 - Ethers, Epoxides, and Thioethers
Wade - Organic Chemistry 9th Edition
Wade9th EditionOrganic ChemistryISBN: 9780135213728당신이 사용하는 게 아니라요?교과서 변경
모든 교과서Wade 9th EditionCh. 14 - Ethers, Epoxides, and Thioethers문제 4a,b,c
14장, 문제 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

검증된 단계별 안내
1
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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가이드 코스
00:56
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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가이드 코스
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Identifying 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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Monosaccharides - Common Structures
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Give a common name (when possible) and a systematic name for each compound.

(d)

(e)

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Solutes:

(a) NaOAc

(b)

(c)


Solvents:

ethyl ether

water

ethanol

dichloromethane

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