問題詳情
44. Choose the best reagent for carrying out the following conversion.
(A) 1. PhMgBr, ether; 2. H3O+
(B) 1. PhCH2MgBr, ether; 2. H3O+
(C) (C6H5)3P=CHC6H5, THF
(D) Li(C6H5)2Cu, ether
(E) None of the above
(A) 1. PhMgBr, ether; 2. H3O+
(B) 1. PhCH2MgBr, ether; 2. H3O+
(C) (C6H5)3P=CHC6H5, THF
(D) Li(C6H5)2Cu, ether
(E) None of the above
參考答案
答案：D
難度：適中0.5
統計：A(0),B(1),C(0),D(1),E(0)
難度：適中0.5
統計：A(0),B(1),C(0),D(1),E(0)