問題詳情

66. The Fischer indole synthesis is the reaction of phenylhydrazine with a carbonyl compound to give the correspondingindole. For the preparation of the following indole, what carbonyl compound is needed? 

 


(A) I
(B) II
(C) III
(D) IV
(E) V

參考答案

答案：A
難度：適中0.666667
統計：A(4),B(0),C(0),D(1),E(0)