問題詳情

36. For the following multistep synthesis, choose the best reaction conditions to give the desired product?

 
(A) (i) HBr, (ii) O3 followed by Zn/H+, (iii) Li/NH3
(B) (i) NaNH2/NH3 followed by CH3CH2I, (ii) Lindlar’s catalyst/H2, (iii) OsO4 followed by NaHSO3
(C) (i) H2/Pd/C (1 equivalent), (ii) NaNH2/NH3 followed by CH3CH2Br, (iii) KMnO4/H2O
(D) (i) HgSO4/H2O/H2SO4, (ii) Lindlar’s catalyst/H2, (iii) OsO4 followed by NaHSO3
(E) (i) Lindlar’s catalyst/ H2, (ii) NaNH2/NH3 followed by CH3CH2Br, (iii) OsO4 followed by NaHSO3

參考答案

答案:B
難度:簡單0.833333
統計:A(0),B(5),C(1),D(0),E(0)