問題詳情
66. Which sequence of reagents works best to convert 1-methyl-1-vinylcyclohexane toE-1-methyl-1-(prop-1-en-1-yl)cyclohexane??
(A) 1. NaOCH3, CH3OH 2. NaNH2 3. Br2 4. H2 (excess), Pd/C
(B) 1. Br2 2. NaNH2 3. NaNH2, then CH3Br 4. Na, NH3
(C) 1. BH3*THF 2. Br2 3. NaCN 4. Na, NH3
(D) 1. NaCN 2. HO-, H2O2 3. NaNH2, then CH3Br 4. Na, NH3
(E) 1. BH3*THF 2. Br2 3. NaNH2, then CH3Br 4. H2 (excess), Pd/C
參考答案
答案：B
難度：適中0.6
統計：A(0),B(3),C(1),D(0),E(0)