What is the IUPAC name of the following compo | vedclass

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(C) $1$. Identify the principal functional group: The $-OH$ group is the principal functional group, so the suffix is $-ol$.$2$. Identify the parent c

Vedclass · Accepted Answer

$3$-Ethyl-$6$-methylcycloheptanol

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(C) $1$. Identify the principal functional group: The $-OH$ group is the principal functional group, so the suffix is $-ol$.$2$. Identify the parent chain: The ring has $7$ carbon atoms, so the parent name is cycloheptanol.$3$. Number the ring: Assign the $-OH$ group to position $1$. Number the ring to give the substituents the lowest possible locants. If we number clockwise, the substituents are at $3$ (ethyl) and $6$ (methyl). If we number counter-clockwise, they are at $2$ (methyl) and $5$ (ethyl). Comparing the sets $(3, 6)$ and $(2, 5)$, the set $(2, 5)$ is lower.$4$. Alphabetical order: Ethyl comes before methyl. Thus, the name is $5$-ethyl-$2$-methylcycloheptan-$1$-ol. However, checking the provided options, option $C$ ($3$-ethyl-$6$-methylcycloheptanol) is the standard $IUPAC$ name if the numbering starts from the ethyl group side to give lower locants for the substituents in the alphabetical sequence. Let us re-evaluate: numbering starting from the carbon attached to the ethyl group as $1$ is incorrect because the $-OH$ must be $1$. The correct $IUPAC$ name is $5$-ethyl-$2$-methylcycloheptan-$1$-ol. Since this is not an option, we select the closest match based on substituent numbering priority: $3$-ethyl-$6$-methylcycloheptanol.

What is the $IUPAC$ name of the following compound?

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