問題詳情
37. Which sequence of steps below describes the best synthesis of 5-oxohexanoic acid starting with 1-methylcyclopentan-1-ol?
(A) 1. Conc. KMnO4; 2. Dry gaseous HBr; 3. Mg/ether; 4. CO2
(B) 1. H2SO4 and heat; 2. Conc. KMnO4
(C) 1. Conc. KMnO4; 2. CH3MgBr/ ether; 3. H3O+
(D) 1. H2SO4 and heat; 2. O3; 3. (CH3) 2S; 4. PCC
(E) 1. H2SO4 and heat; 2. Conc. KMnO4; 3. LiAlH4; 4. H3O+
參考答案
答案：B
難度：適中0.6
統計：A(1),B(3),C(0),D(0),E(0)