Mechanisms of catalytic dehydrogenation of alkanes by rhodium clusters Rh n + probed by isotope labelling

The regioselectivity for the dehydrogenation of alkanes by rhodium clusters was investigated by reacting Rh n +, n = 1–20, with the isotopically labelled alkanes ethane-1,1,1- d 3 and propane-1,1,1,3,3,3- d 6. For Rh + reacting with propane a clear preference for a 1,2- over a 1,1- and 1,3-mechanism...

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