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

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)

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