The effect of hydrogen pressure (pH2) and temperature (T) was investigated on the hydrogenolytic ring opening of methylcyclopentane (MCP) over silica and alumina supported rhodium catalysts. Strong dependence could be seen in the activity and in distribution of ring opening products as a function of reaction conditions. Temperature and hydrogen pressure did not affect the position of the first C-C bond rupture. However, the final ring opening product distribution was largely influenced by the reaction conditions due to the different ability of intermediates to undergo further hydrogenolysis.
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