Give the IUPAC name and (if possible) a common name for each compound.
(c)

Guida verificata passo dopo passo

Step 1: Identify the parent chain. The parent chain is the largest ring structure in the molecule, which in this case is a cyclohexane ring.

Step 2: Determine the substituents attached to the ring. The molecule has two substituents: a methoxy group (-OCH₃) and an aldehyde group (-CHO).

Step 3: Assign priority to the substituents based on IUPAC nomenclature rules. The aldehyde group (-CHO) has higher priority than the methoxy group (-OCH₃) because it is a functional group.

Step 4: Number the ring to give the substituents the lowest possible numbers. Start numbering from the carbon attached to the aldehyde group (position 1), and assign the methoxy group to the next lowest position (position 2).

Step 5: Combine the information to write the IUPAC name. The name will include the parent chain, substituents, and their positions. The common name can also be derived if applicable, but focus on the systematic IUPAC name.

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IUPAC Nomenclature

IUPAC nomenclature is a systematic method for naming organic chemical compounds. It involves identifying the longest carbon chain, determining the functional groups present, and assigning locants to indicate the position of substituents. For the compound in the image, understanding how to apply these rules is essential for deriving the correct IUPAC name.

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The different parts of an IUPAC name

Functional Groups

Functional groups are specific groups of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules. In the provided structure, the presence of an aldehyde group (CHO) and a methoxy group (OCH3) are crucial for determining the compound's reactivity and properties, which are key to naming it correctly.

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02:36

Identifying Functional Groups

Common Names vs. IUPAC Names

Common names are informal names used in the chemical community that may not follow systematic naming rules, while IUPAC names are standardized and universally accepted. For many compounds, especially those with historical significance, common names can be more recognizable. Understanding both naming conventions is important for accurately identifying and communicating about the compound in question.

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03:43

The different parts of an IUPAC name

Pratica correlata

Domanda del libro di testo

Draw the structure for each of the following:

a. 2-phenylhexane

b. benzyl alcohol

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Domanda del libro di testo

Give the IUPAC name and (if possible) a common name for each compound.