問題詳情

30. The acetoacetic ester synthesis, shown below, can be used to prepare 5-methyl-2-hexanone. Which one of the following alkylbromides would be used in the synthesis?  
(A) (CH3)2CHBr
(B) (CH3)2CHCH2Br
(C) (CH3)2CHCH2CH2Br
(D) CH3CH2CHBrCH3
(E) (CH3)2CBrCH3

參考答案

答案:B
難度:簡單0.8
統計:A(0),B(4),C(0),D(0),E(0)

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