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反应条件对对氯硝基苯选择性加氢制备对氯苯胺的影响

ZHANG Chun,FAN Guang-yin,HUANG Wen-jun,WANG Yin-hu

Journal of China West Normal University(Natural Sciences)（2011）

Cited 2|Views10
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Abstract
采用化学还原法制备了Ir/TiO2催化剂,考察了反应时间、温度、底物的量、溶剂与水的比例、不同溶剂等因素对反应物对氯硝基苯的转化率和产物对氯苯胺选择性的影响.结果表明,当反应温度为50℃,压力1MPa,时间为40min,催化剂为20mg,溶剂与水的比例为28%时,反应物的转化率可以达到100%,选择性达到99.9%.
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Key words
selective hydrogenation,p-chloronitrobenzene(P-CNB),iridium catalyst,p-chloroaniline(P-CAN)
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