Heterogeneous transfer hydrogenation involves pairwise hydrogen transfer from the same position of two molecules of formic acid

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Jinquan Yu and Jonathan B. Spencer


Abstract

Using the reduction of an alkyne to cis-alkene as a hydrogen trap, differentially deuterium labelled formic acid is shown to deliver a pair of hydrogen atoms either from the formyl or the carboxy position, which suggests that palladium diformate is a key intermediate in heterogeneous transfer hydrogenation.


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