Amongst the given set of reactants, the most appropriate for preparing `2^@` amine is.......

Options

A. `2^@ R-Br + NH_3`
B. `2^@ R - Br+ NaCN`followed by `H_2 //Pt`
C. `1^@ R-NH_2 + RCHO ` followed by `H_2//Pt`
D. None of these

Answer

C

Explanation

`R-NH_2 + RCHO underset("elimination")overset("Reductive")to [R-N=CHR] overset(H_2//Pt)to underset(2^@ "Amine")(R-NH-CH_2 R)`