問題詳情

7.tWhich of the following is least likely to undergo a smooth crossed Claisen condensation with methyl pentanoate?
(A)t(CH3)3CCO2CH3
(B)PhCH2CO2CH3
(C)PhCO2CH3
(D)HCO2CH3
(E)(CH3O)2CO

參考答案

答案:99

統計:A:0,B:0,C:0,D:0,E:0

難度:計算中