The IUPAC name of the compound shown below is | vedclass

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Question

(B) $1$. Identify the principal functional group: The aldehyde group $(-CHO)$ has the highest priority and must be assigned the lowest possible number

Vedclass · Accepted Answer

$2-$Ethylbut$-2-$enal

Vedclass · Answer

(B) $1$. Identify the principal functional group: The aldehyde group $(-CHO)$ has the highest priority and must be assigned the lowest possible number, so it is at position $1$.$2$. Select the longest carbon chain containing the principal functional group and the double bond: The chain starting from the aldehyde carbon $(C-1)$ through the double bond gives a $4-$carbon chain (but$-2-$enal).$3$. Number the chain: The aldehyde carbon is $C-1$, the carbon with the double bond is $C-2$, the next is $C-3$, and the terminal methyl is $C-4$.$4$. Identify substituents: There is an ethyl group $(-CH_2CH_3)$ attached to $C-2$.$5$. Combine: The $IUPAC$ name is $2-$ethylbut$-2-$enal.

The $IUPAC$ name of the compound shown below is:

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