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⁺

Question

Quizplus · Accepted Answer

This route involves alpha-bromination of cyclohexanone, followed by elimination to form an enone, then conjugate addition of an ethyl group using a Gilman reagent, and finally hydrolysis to yield 3-ethylcyclohexanone.

Which of the Following Routes Works Best for the Preparation