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2005 | 3 | 1 | 28-39
Tytuł artykułu

The effect of the components of the PdCl2/Fe/I2/Py catalytic system on nitrobenzene carbonylation to ethyl N-phenylcarbamate

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
The PdCl2/Fe/I2/Py catalytic system (Py-pyridine), reported to be highly active in the reaction of nitrobenzene carbonylation to ethyl phenylcarbamate was studied. The present paper describes the role of catalyst components and its effect on the activity and selectivity of the catalyst. The increase in the amount of PdCl2 in the system while retaining a constant level of the other catalyst components, results in the increase of both carbamate and aniline yields. The increase in the amount of iron while retaining the other components constant, initially causes an increase in the carbamate yield; however, at Fe: Pd ratios higher than 36, the carbamate yield remains constant. The change in the amount of iron has no effect on the amount of aniline formed in the system. An increase in the amount of iodine in the system while retaining the other components constant, results in a decrease in carbamate yield and a considerable increase in the aniline yield of the reaction products.
Wydawca

Czasopismo
Rocznik
Tom
3
Numer
1
Strony
28-39
Opis fizyczny
Daty
wydano
2005-03-01
online
2005-03-01
Twórcy
  • Laboratory of Physicochemical Fundaments of Chemical Technology, Department of Chemistry, University of Warsaw, Pasteura 1, 02-093, Warsaw, Poland, skupin@chem.uw.edu.pl
  • Laboratory of Physicochemical Fundaments of Chemical Technology, Department of Chemistry, University of Warsaw, Pasteura 1, 02-093, Warsaw, Poland
  • Laboratory of Physicochemical Fundaments of Chemical Technology, Department of Chemistry, University of Warsaw, Pasteura 1, 02-093, Warsaw, Poland
  • Laboratory of Physicochemical Fundaments of Chemical Technology, Department of Chemistry, University of Warsaw, Pasteura 1, 02-093, Warsaw, Poland
Bibliografia
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  • [13] V. Macho, M. kralik and F. Halmo: “New catalytic system of N,N′-diphenylurea synthesis from nitrobenzene, carbon monoxide and water or aniline”, J. Mol. Catal. A: Chem., Vol. 109, (1996), pp. 119–125. http://dx.doi.org/10.1016/1381-1169(96)00006-4[Crossref]
  • [14] J. Skupinska and M. Karpinska: “Nitrobenzene carbonylation in the presence of PdCl2/Fe/I2 and PdCl2Py2/Fe/I2 systems”, J. Mol. Catal. A: Chem., Vol. 161, (2000), pp. 69–73. http://dx.doi.org/10.1016/S1381-1169(99)00443-4[Crossref]
  • [15] J. Skupińska and M. Karpińska: “Nitrobenzene Transformations in the Carbonylation Reaction in the Presence of the PdCl2/Fe/I2/Py Catalyst System”, Appl. Catal., Vol. 267, (2004), pp. 59–66. http://dx.doi.org/10.1016/j.apcata.2004.02.033[Crossref]
  • [16] J. Skupińska, M. Karpińska and M. Ołówek: “The nitrobenzene activation in the carbonylation over PdCl2/Fe/I2/Py catalytic system”, submitted for publication.
  • [17] J. Skupińska, M. Karpińska, L. Wachowski and M. Hofman: “Reductive carbonylation of nitrobenzene over Pd/Fe/I2/Py and Pd/C/Fe/I2/Py catalytic systems”, React. Kinet. Catal. Lett., Vol. 82, (2004), pp. 311–316. http://dx.doi.org/10.1023/B:REAC.0000034842.87321.4c[Crossref]
  • [18] Gmelins Handbuch der Anorganischen Chemie, Vol. 59 Fe, Springer-Verlag, New York, 1979, p. 337.
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_BF02476235
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