The major product obtained on monobromination (with `Br_(2)//FeBr_(3)`) of the following compound A is

Options

A.
B.
C.
D.

Answer

b

Explanation

The position taken uyp by a third group entering the ring depends on the nature of the two groups already present.
When both grops show o- and p-directing nature, the directive power of each group is generally in the following order :
`O^(-) gt NH_(2) gt NR_(2) to OH gt ONe, NHAc gt Me gt X`
In case of compound A
the arrows are used to indicated the possible position that may ne taken up by an incoming group

Due to presence of bulky group, steric effect works, and the favourable product will be his.