Which of the Following Routes Works Best for the Preparation

question 105

Multiple Choice

Which of the following routes works best for the preparation of 3-ethylcyclohexanone from cyclohexanone?

• A)1)LDA 2.Br₂ 3.CH₃CH₂MgBr
• B)1)Br₂,H₃O⁺ 2.KOC(CH₃)₃ 3.(CH₃CH₂)₂CuLi 4.H₃O⁺
• C)1)Br₂,H₃O⁺ 2.CH₃CH₂OH,Δ
• D)1)NBS 2.Mg,ether 3.CH₃CHO
• E)1)Br₂,hυ 2.NaOH 3.NaOCH₂CH₃ 4.H₃O⁺

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