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Ch.3 - Structure and Stereochemistry of Alkanes
Wade - Organic Chemistry 9th Edition
Wade9th EditionOrganic ChemistryISBN: 9780135213728당신이 사용하는 게 아니라요?교과서 변경
모든 교과서Wade 9th EditionCh.3 - Structure and Stereochemistry of Alkanes문제 8a
3장, 문제 8a

Draw the structures of the following compounds.
a. 4-(1,1-dimethylethyl)octane

검증된 단계별 안내
1
Identify the main chain: The main chain is 'octane', which means it consists of 8 carbon atoms in a straight chain.
Number the carbon atoms in the main chain: Start numbering from one end of the chain to the other, ensuring that the substituent gets the lowest possible number. In this case, number the carbon atoms from 1 to 8.
Locate the substituent: The substituent is '4-(1,1-dimethylethyl)', which means it is attached to the 4th carbon of the octane chain.
Draw the substituent: The '1,1-dimethylethyl' group is a tert-butyl group, which consists of a central carbon atom bonded to three methyl groups (CH₃). Draw this group attached to the 4th carbon of the octane chain.
Complete the structure: Ensure that all carbon atoms have four bonds, adding hydrogen atoms as necessary to satisfy the valency of carbon. The final structure should show the octane chain with the tert-butyl group attached to the 4th carbon.

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이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.
영상 길이:
3m

주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

IUPAC Nomenclature

IUPAC nomenclature is a systematic method of naming organic chemical compounds as recommended by the International Union of Pure and Applied Chemistry. It ensures that each compound has a unique name, which describes its structure. Understanding the rules of IUPAC nomenclature is essential for interpreting and drawing chemical structures from names.
추천 영상:
03:43
The different parts of an IUPAC name

Alkane Structure

Alkanes are saturated hydrocarbons consisting of carbon and hydrogen atoms with single bonds. The general formula for alkanes is CnH2n+2. Recognizing the structure of alkanes, such as octane, is crucial for drawing the backbone of the compound before adding substituents like the 1,1-dimethylethyl group.
추천 영상:
02:47
Functionalizing Alkanes

Substituent Groups

Substituent groups are atoms or groups of atoms that replace hydrogen atoms in a hydrocarbon chain. In the given compound, 1,1-dimethylethyl is a substituent group attached to the fourth carbon of the octane chain. Understanding how to identify and position substituents correctly is key to accurately drawing the compound's structure.
추천 영상:
04:42
Sequence Groups
관련 실천
교과서 질문

Draw the structures of the following groups, and give their more common names.

a. the (1-methylethyl) group

b. the (2-methylpropyl) group

c. the (1-methylpropyl) group

d. the (1,1-dimethylethyl) group

e. the (3-methylbutyl) group, sometimes called the 'isoamyl' group

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교과서 질문

Draw the structures of the following compounds.

c. 3,3-diethyl-4-(2,2-dimethylpropyl)octane

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교과서 질문

Without looking at the structures, give molecular formulas for the compounds: (a) 4-(1,1-dimethylethyl)octane and (b) 5-(1,2,2-trimethylpropyl)nonane. Use the names of the groups to determine the number of carbon atoms; then use the (2n + 2) rule.

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교과서 질문

All of the following names are incorrect or incomplete. In each case, draw the structure (or a possible structure) and name it correctly.

d. 4-isobutylheptane

e. 2-bromo-3-ethylbutane

f. 2,3-diethyl-5-isopropylheptane

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교과서 질문

Draw the structures of the following compounds.

b. 5-(1,2,2-trimethylpropyl)nonane

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교과서 질문

Give structures and names for

a. the five isomers of C6H14

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