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

The IUPAC name of CH_(3)-O-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-CH_(3) is __________.

CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-CH=CH_(2)+HBr to A The structure of A is:

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

The correct reagent sequence for the following conversion CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-Br to CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-COOH , is