一锅法合成2-氯-4-(4-氯苯氧基)-苯乙酮
Technology & Development of Chemical Industry（2008）
Abstract
以一锅法研究了对氯苯酚与2,4-二氯苯乙酮间的Ullmann反应,对传统的两步法进行了改进.较系统地考察了反应物配比、催化剂、反应溶剂、碱及反应时间对反应的影响.研究结果表明,采用CuCl为催化剂,对氯苯酚与2,4-二氯苯乙酮的配比为1:1.2(摩尔比),异丙苯为溶剂,K2CO3为碱,160℃下反应18 h为最佳条件,产率为78%.
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Key words
one-pot,diaryl ether,ullmann reaction,synthesis
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