62. Which of the following series of synthetic steps could be used to carry out the transformation shown below?
(I) H2, Pt, (II) B2H6, (III) NaNO2, H3O , (IV) NaCN, HCl, (V) H2O2, NaOH (VI) PCC
(A) I → II → V
(B) IV → I → III
(C) III → VI → V
(D) II → V → III
(E) None of the above
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擴張環酮應當想到diazomethane...
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將環己酮 （一種六元環酮）轉化為環庚酮 ...
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