用镁乙醚制取格氏试剂,为什么溴苯可以,氯苯不可以啊(�上解释说氯苯是pπ共轭,该用四氢�喃,但…)? 知乎 Template




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tomski用镁乙醚制取格氏试剂,为什么溴苯可以,氯苯不可以啊(�上解释说氯苯是pπ共轭,该用四氢�喃,但…)? 知乎 coloring