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

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統計: A(2), B(1), C(0), D(8), E(0) #1074590

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 (A)加在 C=O  (B)加在 C...
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