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第 35 卷第 3 期Vol. 35 No. 3
2005 年 6 月Jun 2005

所屬欄目:其它

Fe-Al復合催化合成鄰氯苯胺
周瑩; 葉翠層; 李水芳; 李林; 孫漢洲(中南林學(xué)院應用化學(xué)研究所; 湖南株洲)
摘 要:研究了Fe-Al復合催化劑催化水合肼選擇性還原硝基制備鄰氯苯胺的條件。結果表明:Fe-Al復合催化劑催化水合肼還原硝基的選擇性≥99%;還原反應的溫度為70℃,物料比為n(鄰氯硝基苯)∶n(水合肼)=1.0∶1.8,鄰氯苯胺的收率為92.91%,ω(鄰氯苯胺)≥99.5%。在工業(yè)上具有更廣泛的應用價(jià)值。
關(guān)鍵詞:Fe-Al復合催化劑; 水合肼; 選擇性; 還原; 鄰氯硝基苯; 鄰氯苯胺
中圖分類(lèi)號:TQ246.3  文獻標識碼:A  文章編號:1009-9212(2005)03-0040-02
Synthesis of 2-Chloroaniline by Fe-Al Complex as Catalyst
ZHOU Ying; YE Cui-ceng; LI Shui-fang; LI Lin; HU Yun-chu; SUN Han-zhou(Research Institute of Applied Chemistry; Central South Forestry University; Zhuzhou 412006; China)
Abstract:2-Chloroaniline,which is an important chemical intermediate,was synthesized from 2-Chloroaniline with hydrazine hydrate by using Fe-Al complex as catalyst. The results showed that the selectivity of the catalytic reaction is over 99%. The reaction temperature was 70℃. The mole ratio was n(1-chloro-2-nitrobenzene):n(hydrazine hydrate)= 1.0:1.8. The yield and content of 2chloroaniline are 93.7% and 99.5%.
Key words:Fe-Al complex catalyst; hydrazine hydrate; selectivity; reduction; 2-chloro-1-nitrobenzene; 2-chloroaniline
基金項目:湖南省教育廳項目(04C694);中南林學(xué)院科技基金項目(0480)
收稿日期:2005-02-25
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