問題詳情

34. 哪一方法較合適將1-propanol 製備成2-methylpentan-3-one?
(A) 1. (CH3)2CHMgBr/ diethyl ether 2. dilute H3O+3. PCC
(B) 1. Na2Cr2O7/H2SO4 and heat 2. SOCl2 3. 2(CH3)2CHMgBr/ diethly ether 4. H3O+
(C) 1. Na2Cr2O7/H2SO4 and heat 2. (CH3)2CHMgBr/diethyl ether 3. dilute H3O+4. LiAlH4
(D) 1. PCC 2. (CH3)2CHLi/ diethyl ether 3. dilute H3O+4. Na2Cr2O7/ H2SO4 and heat

參考答案

答案:D
難度:非常困難0.125
統計:A(2),B(5),C(0),D(1),E(0)

內容推薦

內容推薦