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試卷名稱：113年 - 113 台灣聯合大學系統_碩士班招生考試試題_化學類：有機化學#122395
年份：113年
科目：研究所、轉學考(插大)-有機化學
5.In the following substitution reaction, diastereoselectivity. After analyzing the ster compound A was converted to compound B in excellent ereochemcal relationship between A and B, it was proposed that chloride attacked a key intermediate, resulting in the forination of B. The structure of the key intermediate is most likely to be:
(A)
(B)
(C)
(D)
(E)
