有机化学 ›› 1986, Vol. 6 ›› Issue (3): 216-219. 上一篇    下一篇

研究论文

CO~2(CO)~8/吡啶络合催化苯乙烯氢羧化反应的研究

夏志高;金子林   

  1. 大连工学院化学工程系
  • 发布日期:1986-06-25

Study on hydrocarboxylation of styrene using Co~2(CO)3/pyridine complex as catalyst

XIA ZHIGAO;JIN ZILIN   

  • Published:1986-06-25

在苯乙烯氢羧化反应(Hydrocarboxylation)中,Co~2(CO)~8的催化活性很低,吡啶的加入可显著提高催化活性,CO~2(CO)~8与吡啶的配比不同时,对 反应活性,收率和正,异构产物的比例均有影响,而且与反应温度有关.此外,还观察了各种吡啶衍生物对氢羧化反应的影响.

关键词: 苯乙烯, 均相催化, 羰基络合物, 吡啶, 钴络合物, 络合催化

The hydrocarboxylation of PhCH:CH2 with CO in MeOH under pressure catalyzed by Co2(CO)8 to give a mixture of PhCH2CH2CO2Me, MeCHPhCO2Me, and PhEt was greatly enhanced by the addition of pyridine or its alkyl-substituted derivatives The effects of temperature and pressure on the catalytic activity of pyridine were studied. The mechanism for the catalysis was discussed.

Key words: STYRENE, HOMOGENEOUS CATALYSIS, CARBONYL COMPLEX, PYRIDINE, COBALT COMPLEX, COMPLEX CATALYSIS

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