`CH_(3)-underset(CH_(3)) underset(|)overset(CH_(3)) overset(|) C-underset(Br)underset(|)CH-CH_(3)nderset(Delta)overset(EtOH)to (A)`
Major product (A) is:

CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C)-CH_(2)-underset(O)underset(||)(C)-NHCH_(3)

CH_(3)underset(Br)underset(|)CH-overset(CH_(3))overset(|)underset(OH)underset(|)(C)-C-O-CH_(3)

CH_(3)-underset(CH_3)underset(|)overset(CH_3)overset(|)(C )-underset(Br)underset(|)(C )H-CH_(3) underset(Delta)overset("El mechanism")(rarr) (A) Major product (A) is

CH_(3)-underset(CH_3)underset(|)overset(CH_3)overset(|)(C )-underset(Br)underset(|)(C )H-CH_(3) underset(Delta)overset("El mechanism")(rarr) (A) Major product (A) is

CH_(3)-Br+NaO-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-CH_(3)to ?

CH_(3)-underset(CH_(3))underset(|)(C)=CH-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-CH_(3)

The major product of the following reaction is: CH_(3)-underset(H)underset(|)overset(CH_(3))overset(|)C-underset(Br)underset(|)(CHCH_(3)) overset(CH_(3)OH) to

The major product of the following reaction is: CH_(3)-underset(H)underset(|)overset(CH_(3))overset(|)C-underset(Br)underset(|)(CHCH_(3)) overset(CH_(3)OH) to

Major product of the given reaction is CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-underset(CI)underset(|)(CH)-CH_(3)overset(C_(2)H_(5)O^-)rarr