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负载铜催化剂催化分子内Ullmann反应合成吲哚啉衍生物

Guangdong Chemical Industry(2012)

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Abstract
制备TiO2、Al2O3、ZnO负载铜催化剂及改性负载铜催化剂,其中TiO2负载铜催化剂的收率最高。以邻氯苯乙胺、2-氯-β-甲基苯乙胺、2-氯-5-乙基苯乙胺、邻溴苯乙胺、4-甲氧基-2-氯苯乙胺、5-乙基-2-氯苯乙胺为原料,铜负载量15%的Cu/TiO2为催化剂,NaOH为缚酸剂,乙醇为溶剂,90℃反应8 h,可分别得到收率近94%的相应的吲哚啉衍生物。催化剂经过滤、二氯甲烷洗涤、焙烧,可重复使用。
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Key words
indoline,2-chlorophenethylamine,supported Cu Catalyst,ullmann reaction
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