試題詳解

6. Which sequence of reagents works best to convert 3-hexene to 3-hexyne?
(A) 1. HCl 2. NaNH₂
(B) 1. BH₃．THF 2. HO- , H₂O₂ 3. NaNH₂
(C) 1. NaNH₂ 2. HI 3. H₃O⁺
(D) 1. Br₂, CH₂Cl₂ 2. NaNH₂ (excess)
(E) 1. Cl₂, CH₂Cl₂ 2. NaCN(excess)