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

검증된 단계별 안내

Step 1: Understand the IUPAC naming conventions for alkanes. The longest continuous chain of carbon atoms is identified as the parent chain, and substituents are named and numbered based on their position on this chain.

Step 2: For 4-isobutylheptane, identify the longest chain. 'Heptane' suggests a 7-carbon chain. 'Isobutyl' is a common name for a branched group, which should be correctly positioned and named according to IUPAC rules.

Step 3: For 2-bromo-3-ethylbutane, recognize that 'butane' indicates a 4-carbon chain. The substituents 'bromo' and 'ethyl' need to be correctly positioned and numbered on this chain, ensuring the lowest possible numbers for substituents.

Step 4: For 2,3-diethyl-5-isopropylheptane, identify the longest chain, which should be 7 carbons as indicated by 'heptane'. The substituents 'diethyl' and 'isopropyl' need to be correctly positioned and numbered, ensuring the lowest possible numbers for substituents.

Step 5: Draw the structures based on the corrected names and verify that each substituent is correctly positioned according to IUPAC rules. Ensure that the names reflect the correct structure and substituent positions.

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이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.

영상 길이:

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 reflects its structure. Understanding the rules of IUPAC nomenclature, such as identifying the longest carbon chain and correctly numbering substituents, is crucial for naming organic compounds accurately.

Substituent Identification

Substituent identification involves recognizing and naming groups attached to the main carbon chain in an organic molecule. Common substituents include alkyl groups like methyl, ethyl, and isopropyl. Correctly identifying and naming these groups is essential for constructing the full name of a compound according to IUPAC rules, ensuring clarity and precision in chemical communication.

Structural Drawing

Structural drawing is the process of visually representing the molecular structure of a compound, showing the arrangement of atoms and bonds. This skill is vital for understanding the spatial configuration and connectivity of atoms within a molecule, which directly influences its chemical properties and reactivity. Accurate structural drawings are necessary for verifying the correctness of a compound's name and for solving nomenclature problems.

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-ethylbutanef. 2,3-diethyl-5-isopropylheptane