Question

Please, if you are an ace or Genius and know the answer then only answer.
Will the IUPAC name of the attached molecule be:
1-Oxo-N-phenyl-1-ethanamine OR N-(1-Oxoethyl)aniline
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Answer 1

As you can see, in this molecule, an amine group (NH2) is present along with the carbonyl group (C=O), so this molecule will be an amide an the suffix will be -amide.

A phenyl group is attached to the nitrogen atom as well on the other side, so the nitrogen atom is attached to two other carbon atoms, so it is a 2 degree amide or a secondary amide.

The longest carbon chain consists of two carbon atoms, so the root word of the IUPAC name will be ethan .

So, the systematic IUPAC name will be N-Phenylethanamide .

Also, the COCH3 group is also known as the acetyl group.

So, the IUPAC name can also be N-Phenylacetamide .

But, the preferred name for this compound is simply Acetanilide .