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对于邻位、间位取代苯胺与丙烯腈发生单氰乙基反应生成相应的N-氰乙基邻位取代苯胺和N-氰乙基间位取代苯胺的过程,AlCl3具有高的催化活性。在芳香胺/丙烯腈/AlCl3=1/1.10/(0.05～0.10)(摩尔比)、反应温度60～80℃,反应时间6～10h的条件下,反应的收率达87%～90%。用毛细管气相色谱法分析了单氰乙基化反应中各组份的含量;所合成的7种N-氰乙基邻位取代苯胺和N-氰乙基间位取代苯胺用DTA-TG、UV、IR、1HNMR和EA进行了物性和结构表征。
For the ortho, meta-substituted aniline and acrylonitrile monocyanoethyl reaction of the corresponding N-cyanoethyl ortho-substituted aniline and N-cyanoethyl meta-substituted aniline process AlCl3 has a high catalytic activity. The yield of the reaction was 87% -90% under the conditions of aromatic amine / acrylonitrile / AlCl3 = 1 /1.10 / (0.05-0.10) (mole ratio), reaction temperature 60-80 ℃ and reaction time 6-10h. The content of each component in the monocyanoethylation was analyzed by capillary gas chromatography. The synthesized 7 kinds of N-cyanoethyl ortho-substituted aniline and N-cyanoethyl meta-substituted aniline were separated by DTA-TG, UV , IR, 1HNMR and EA were characterized by physical and structural.