試題詳解

1.What is the final product for the following reaction sequence?

(A)3-bromo-6-ethyl-4-nitrophenol
(B)6-bromo-2-ethyl-4-nitrophenol
(C)2-bromo-1-4-nitrobenzene
(D)2-bromo-1-ethypheno1
(E)4-bromonitrotoluene