Which of the following IUPAC names is incorre | vedclass

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(D) The correct answer is $(d)$. The name $3-$amino$-2-$hydroxybutanedioic acid is incorrect.According to $IUPAC$ rules,when two different substituent

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$3-$amino$-2-$hydroxybutanedioic acid

Vedclass · Answer

(D) The correct answer is $(d)$. The name $3-$amino$-2-$hydroxybutanedioic acid is incorrect.According to $IUPAC$ rules,when two different substituents are present at equivalent positions,the one that comes first in alphabetical order is given the lower locant.In the structure $HOOC-CH(OH)-CH(NH_2)-COOH$,numbering from either side gives locants $2$ and $3$.Since 'amino' comes before 'hydroxy' alphabetically,the amino group should be at $C2$ and the hydroxy group at $C3$.Therefore,the correct $IUPAC$ name is $2-$amino$-3-$hydroxybutanedioic acid.

Which of the following $IUPAC$ names is incorrect?

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