問題詳情

25. What is the best reagent for the following reaction?Ph OHOHPh OH? 

 
(A) PCC
(B) Na2Cr2O7, H2SO4
(C) DMSO, (COCl)2 then Et3N
(D) MnO2
(E) H2CrO4

參考答案

答案:D
難度:簡單0.714286
統計:A(0),B(1),C(0),D(10),E(0)