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苯乙烯的制备
人气:298 ℃ 时间:2020-09-30 20:17:58
解答
工业上是用乙苯催化脱氢制备.
实验室:C6H5Br + Mg === C6H5MgBr
C6H5MgBr + 乙醛 === C6H5-CH(OH)CH3
C6H5-CH(OH)CH3 (脱水)=== C6H5-CH=CH2
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