Abstract
GENERAL knowledge about the factors governing the catalytic activity of various metals in different skeletal reactions of hydrocarbons is rather limited. Comparative studies are reported here on the depth of hydrogenolysis and the formation of saturated products of 3-methylpentane (3MP) and methylcyclopentane (MCP) for eleven different metals. We have found that isomerisation, C5 ring closure and opening activity of Rh, Pd, Ir and Pt can be correlated with their f.c.c. structure, and their atomic dimensions being in a narrow range. These four metals promote single hydrogenolysis whereas multiple fragmentation is the only reaction observed over Co, Ni, Cu, Ru, Ag, Re, Os. Hydrogenolysis activity and pattern are less characteristic for each group.
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PAÁL, Z., TÉTÉNYI, P. A new classification of metal catalysts in skeletal reactions of hydrocarbons. Nature 267, 234–236 (1977). https://doi.org/10.1038/267234a0
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DOI: https://doi.org/10.1038/267234a0
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