試題詳解

45. How would you prepare the following carbonyl compound from a nitrile?
(A) 1) EtMgBr; 2) NaOH, H₂O
(B) 1) EtMgBr; 2) LiAlH₄; 3) H₃O
(C) 1) EtMgBr; 2) H₂O
(D) 2) EtMgBr; 2) CO₂; 3) H₃O
(E) 1) EtMgBr; 2) PCC