Question

Give iupac name of the following ​

Answer 1

Answer:

2-(2-Methylcyclobut-1-en-yl)ethanal or 2-(2-Methylcyclobutenyl)ethanal

Explanation:

Here the ring contains double bond but the side chain contains a functional group.so the ring is treated as a substituent and the compound will be named as a derivative of the side chain.