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- W2000655949 abstract "Abstract Propyne was isomerized to propadiene over a silica catalyst labeled with tritium. We could demonstrate that for every isomerizing molecule a hydrogen atom of the catalyst is exchanged; the propadiene which was formed contained the calculated amount of tritium. For the reverse reaction, however, it was found that the methyl group of propyne contained only about 40% of the expected amount of tritium, probably owing to an isotope effect. The results are explained in terms of a tentative reaction mechanism. The empirical activation energy for the isomerization reaction is 13 kcal/mole." @default.
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- W2000655949 date "1971-08-01" @default.
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- W2000655949 title "The isomerization of propyne into propadiene over a silica catalyst" @default.
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- W2000655949 doi "https://doi.org/10.1016/0021-9517(71)90187-4" @default.
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