期刊文献+
任意字段
题名或关键词
题名
关键词
文摘
作者
第一作者
机构
刊名
分类号
参考文献
作者简介
基金资助
栏目信息

钴(Ⅱ)配合物与卟啉在超临界二氧化碳中的反应动力学研究

Kinetic Study of the Reaction of Porphyrin with Cobalt(H) Compound in Supercritical Carbon Dioxide
下载PDF
导出
摘要 用紫外-可见光谱研究了1,1,1,5,5,5-六氟-2,4-戊二酮-钴(Ⅱ)二水[Co(hfac)2(H2O)2]与5,10,15,20-四(五氟苯基)卟啉(H2tpfpp)在超临界二氧化碳中反应生成钴卟啉[Co(tpfpp)]的反应动力学.在钴(II)配合物大大过量时,此反应对卟啉为一级,且其表观一级速率常数随钴(Ⅱ)配合物的浓度增加先增加、而后趋于稳定.根据实验事实,讨论了此反应的机理,得到了相应的热力学和动力学参数.
作者 刘士军 陈启元 舟桥重信
出处 《中国稀土学报》 CAS CSCD 北大核心 2004年第z1期231-234,共4页 Journal of the Chinese Society of Rare Earths
关键词 钴配合物 卟啉 超临界二氧化碳 反应动力学
分类号 O614.33 [理学—无机化学]
  • 相关文献

参考文献17

  • 1[1]ercritLin Y., Wai C.M., Supercritical fluid extraction of lanthanides with fluorinated β-diketones and tributyl phosphate,Anal. Chem. 66 (1994), 1971
  • 2[2]Wai C.M., Wang S., Supercritical fluid extraction: metals as complexes, J. Chromatography, A, 785 (1997), 369
  • 3[3]Erkey C., Supercritical carbon dioxide extraction of metals from aqueous solution: a review, J. Supercrit. Fluids, 17 (2000),259
  • 4[4]Johnston K.P., Haynes C., Extreme solvent effects on reaction rate constants at supercritical fluid conditions, AIChE J. 33(1987), 2017
  • 5[5]Funahashi S., Yamaguchi Y., Tanaka M., High-pressure stopped-flow studies on the metalation of N-methyl-5, 10, 15,20-tetraphenylporphyrin in N, N-dimethylformamide, Inorg.Chem., 23 (1984), 2249
  • 6[6]Robinson L.R., Hambright P., The kinetics of zinc (Ⅱ)incorporation into fifty-five free base porphyrins in DMF:structure-reactivity correlations, Inorg. Chim. Acta. 185 (1991),17
  • 7[7]Ackerman M.J.B., Lavallee D.K., Kinetics of metal-ion complexation with N-methyltetraphenylporphyrin. Evidence concerning mechanism of porphyrin metalation, Inorg. Chem.,18 (1979), 3358
  • 8[8]Pasternack R.F., Vogel G.C., Skowronek C.A., Harris R.K.,Miller J.G., Copper(Ⅱ) incorporation into tetraphenylporphine in dimethyl sulfoxide, Inorg. Chem. 20 (1981), 3763.
  • 9[9]Takeda J., Ohya T., Sato M., A ferrochelatase transition-state model. Rapid incorporation of copper(H) into nonplanar dodecaphenylporphyrin, Inorg. Chem. 31 (1992), 2877
  • 10[10]InadaY., SugimotoY., NakanoY., ItohY., FunahashiS.,Formation and deprotonation kinetics of the sitting-atop complex of copper(Ⅱ) ion with 5, 10, 15, 20-tetraphenylporphyrin relevant to the porphyrin metalation mechanism. Structure of copper(Ⅱ)-pyridine complexes in acetonitrile as determined by EXAFS spectroscopy, Inorg. Chem., 37 (1998), 5519
中国稀土学报
2004年 第z1期

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部