Which Reagents Would You Use to Prepare the Following Substance

question 93

Multiple Choice

Which reagents would you use to prepare the following substance from ethyl acetoacetate?

• A) (i)NaH/DMSO;(ii)PhCOCl;(iii)OH ^- /H₂O,heat;(iv)H₃O⁺;(v)heat
• B) (i)NaOEt/EtOH;(ii)PhCOCH₂Br;(iii)OH ^- /H₂O,heat;(iv)H₃O⁺;(v)heat
• C) i)heat;ii)NaOEt/EtOH;iii)PhCOCH₂Br
• D) (i)NaOEt/EtOH;(ii)PhCl
• E) (i)NaOEt/EtOH;(ii)PhCOCl;(iii)OH ^- /H₂O,heat;(iv)H₃O⁺;(v)heat

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