烯類的親電加成反應─加X2

74. Which of the following reactions has a mechanism that involves the formation of a cyclic intermediate from acyclic s...
26. 哪些反應條件有利於反應的進行？ Ⅰ. 加入高濃度的 Br2 Ⅱ. 使用高極性溶劑 Ⅲ. 在高溫下 (A) Ⅰ, Ⅱ (B) Ⅱ, Ⅲ (C) Ⅰ, Ⅲ (D...
26. What is the major product of the following reaction? (A)(B)(C)(D)(E) None of the above.
57. Which of the following combinations of reactants would produce a meso compound? (A) Cis-3-hexene and Br2 (B) Trans-3...
6. 2,3-Dibromobutane can exist three stereoisomers as shown below. What stereoisomers would be formed by the following...
29. 下列哪一種烯類在常溫下與 Br2/CCl4 反應會得到雙鹵素內消旋化合物(meso dihalide)？
74. Identify the products of the reaction of 3-octene with chlorine. (A) (B) (C) (D) (E)
27. What configurations are found in the product(s) of the reaction shown below? (A) 1R, 2R only (B) 1S, 2S only (C...

寬識(已上榜、感謝阿摩與前輩)