39.What are the reagents needed to accomplish the following transformation?5ea691be8c7cd.jpg
(A)H2O / H+
(B)H2O / Peroxide
(C)Hg(OAc)2, H2O / NaBH4
(D)BH3
(E)BH3 / OH-, H2O2, H2O

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統計： A(0), B(2), C(0), D(0), E(4) #2275885