試題詳解

複選題
59. Provide the reactants necessary to prepare the following alkene using the Wittig reaction. 
(A) ethanal and 2-bromopentane
(B) propanal and 2-bromopentane
(C) 2-pentanone and 1-bromopropane
(D) 2-pentanone and 2-bromopropane
(E) butanal and 2-bromopentane