Substituent effect in hydrogenative ring-opening of cyclobutanes on Pt/SiO2 |
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Authors: | M Bartók B Török A Molnár and J Apjok |
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Institution: | (1) Department of Organic Chemistry, Attila József University, Dóm tér 8, H-6720 Szeged, Hungary |
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Abstract: | The main direction of hydrogenative ring-opening of propylcyclobutane on Pt/SiO2 catalyst in the temperature interval of 373–673 K is the formation of n-heptane through cleavage of the sterically hindered C1–C2 bond. The unusual selectivity can be attributed to adsorption of both the ring and the propyl group on the catalyst. With increasing temperature, the selectivity of ring-opening approaches the statistically expected ratio. |
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