The `IUPAC` name of the compound
`CH_(3)CH=CHCH_(2)underset(NH_(2))underset(|)(CH)CH_(2)COOH`
is

Options

A. (1) `5`-aminohept-`2`-enoic acid
B. (2) `beta`-amino-`delta`-heptanoic acid
C. (3) `5`-aminohex-`2`-enecarboxyxlic acid
D. (4) `3`-aminohept-`5`-enoic acid

Answer

D

Explanation

The compound is polyfunctional, the principal function is `-COOH`. Due to the `C=C` bond, it should be named as an alkenoic acid. The `C` atom of the `-COOH` group is numbered `1`:
`overset(7)(CH_(3))overset(6)(CH)=overset(5)(CH)overset(4)(CH_(2))underset(3-"Aminohept-5-enoicacid")(underset(NH_(2))underset(|)overset(3)(CH)overset(2)(CH_(2))overset(1)(C)OOH)`