申論題

8. Which of the following is the best set of reagents to carry out the transformation shown below?
(A) 1) NaOH; 2) EtBr; 3) H₂, Pt (B) 1) NaNH₂; 2) EtBr; 3) H₂, Lindlar's catalyst (C) 1) EtMgBr; 2) Na, NH₃(liq) (D) 1) O₃; 2) Et₂S; 3) H₂, Lindlar's catalyst (E) 1) NaNH₂; 2) EtBr; 3) Na, NH₃(liq)