The correct IUPAC name of the structure given | vedclass

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Question

(A) $1$. Identify the principal functional group: The molecule contains an amino group $(-NH_2)$,a ketone group $(>C=O)$,and a hydroxyl group $(-OH

Vedclass · Accepted Answer

$5-$Amino$-1-$hydroxy$-3-$methylhex$-3-$en$-2-$one

Vedclass · Answer

(A) $1$. Identify the principal functional group: The molecule contains an amino group $(-NH_2)$,a ketone group $(>C=O)$,and a hydroxyl group $(-OH)$. According to $IUPAC$ priority rules,the ketone group has higher priority than the alcohol and amine groups. Therefore,the suffix will be '-one'.
$2$. Select the longest carbon chain containing the principal functional group: The longest chain containing the ketone group has $6$ carbons.
$3$. Number the chain: Numbering should start from the end that gives the ketone group the lowest possible locant. Numbering from right to left,the ketone is at position $2$. The chain is numbered as follows: $C_1(H_2OH)-C_2(=O)-C_3(CH_3)=C_4(H)-C_5(H, NH_2)-C_6(H_3)$.
$4$. Identify substituents and their positions: There is an amino group at position $5$,a methyl group at position $3$,and a hydroxy group at position $1$.
$5$. Assemble the name: Combining these,we get $5-$amino$-1-$hydroxy$-3-$methylhex$-3-$en$-2-$one.

The correct $IUPAC$ name of the structure given below is

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