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Ⅰ．已知： 烃基烯基醚A的相对分子质量（M r）为176，分子中碳氢原子数目比为3∶4 。与A相关的反应如下 请回答下列问题： （1）A的分子式为_________________。 （2）B的名称是___________________；A的结构________________________。 （3）写出C → D反应的化学方程式：________________________。 （4）写出两种同时符合下列条件的E的同分异构体的结构：_________________________、________________________。 ① 属于芳香醛； ② 苯环上有两种不同环境的氢原子。 Ⅱ．由E转化为对甲基苯乙炔（ ）的一条路线如下 （5）写出G的结构：____________________________________。 （6）写出① ~ ④步反应所加试剂、反应条件和 ① ~ ③ 步反应类型
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【简答题】a. 1 sb. who is refined is polite and seems to be well-educated or to belong to a high social class 优雅的;有教养的2 (usu. before noun) a substance that is refined has been made pure by an industrial process...
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