Owing to the unusual reactivity of sterically hindered amine-borane complexes, a catalytic system based on magnesium salts was designed to perform a tandem dehydrogenation-dehydrocoupling between terminal alkynes and boranes. The reaction is providing pure alkynylboranes within few minutes at room temperature, with only two molecules of hydrogen as a byproduct.
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| http://dx.doi.org/10.1002/chem.201905772 | DOI Listing |
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