問題詳情

68. Which reaction sequence is required to accomplish the following transformation?OO?  I. heat II. NaOH, heat, then HCl, H2O III. NaOH IV. CH3COCH2CO2Et, EtONa
(A) I → II → III → IV
(B) IV → II → I → III
(C) III → VI → II → I
(D) II → IV → III → I
(E) None of the above

參考答案

答案:B
難度:適中0.642857
統計:A(0),B(9),C(2),D(1),E(0)

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