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)

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