If an organic molecule contains both an aldehyde group () and a primary amine group (), how is the amine group treated in IUPAC nomenclature?

Question

If an organic molecule contains both an aldehyde group ($-CHO$) and a primary amine group ($-NH_2$), how is the amine group treated in IUPAC nomenclature?

Prashant Kotian · Accepted Answer

Correct answer: B. According to IUPAC priority rules, the aldehyde () group has a higher priority than the amine () group. Therefore, the aldehyde dictates the parent suffix ('-al'), and the amine group acts as a substituent named with the prefix 'amino-'.

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