Mechanism of the bond-shift skeletal isomerization of alkanes over Pd, Ni and NiAg catalysts: Evidence for participation of intermediate carbenes

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Abstract

The skeletal rearrangement reactions of butane, 2-methylpropane and 2,2-dimethylpropane were investigated over Al2O3- and SiO2-supported Pd, Pt, Ni and AgNi catalysts. As opposed to Pt, isomerization over the other catalysts proceeds mainly by carbene intermediates by a so-called "external C1-migration" pathway. This reaction is parallel with homologation. Hydrogen sensitivities and radiotracer studies confirm these suggestions.

Original languageEnglish
Pages (from-to)407-415
Number of pages9
JournalJournal of Catalysis
Volume97
Issue number2
DOIs
Publication statusPublished - 1986

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Alkanes
carbenes
Isomerization
Paraffins
alkanes
isomerization
catalysts
Catalysts
shift
Butane
butanes
suggestion
Hydrogen
sensitivity
hydrogen
carbene
butane

ASJC Scopus subject areas

  • Catalysis
  • Process Chemistry and Technology

Cite this

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title = "Mechanism of the bond-shift skeletal isomerization of alkanes over Pd, Ni and NiAg catalysts: Evidence for participation of intermediate carbenes",
abstract = "The skeletal rearrangement reactions of butane, 2-methylpropane and 2,2-dimethylpropane were investigated over Al2O3- and SiO2-supported Pd, Pt, Ni and AgNi catalysts. As opposed to Pt, isomerization over the other catalysts proceeds mainly by carbene intermediates by a so-called {"}external C1-migration{"} pathway. This reaction is parallel with homologation. Hydrogen sensitivities and radiotracer studies confirm these suggestions.",
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pages = "407--415",
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T1 - Mechanism of the bond-shift skeletal isomerization of alkanes over Pd, Ni and NiAg catalysts

T2 - Evidence for participation of intermediate carbenes

AU - Sárkány, A.

PY - 1986

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N2 - The skeletal rearrangement reactions of butane, 2-methylpropane and 2,2-dimethylpropane were investigated over Al2O3- and SiO2-supported Pd, Pt, Ni and AgNi catalysts. As opposed to Pt, isomerization over the other catalysts proceeds mainly by carbene intermediates by a so-called "external C1-migration" pathway. This reaction is parallel with homologation. Hydrogen sensitivities and radiotracer studies confirm these suggestions.

AB - The skeletal rearrangement reactions of butane, 2-methylpropane and 2,2-dimethylpropane were investigated over Al2O3- and SiO2-supported Pd, Pt, Ni and AgNi catalysts. As opposed to Pt, isomerization over the other catalysts proceeds mainly by carbene intermediates by a so-called "external C1-migration" pathway. This reaction is parallel with homologation. Hydrogen sensitivities and radiotracer studies confirm these suggestions.

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