Thermal Dehydrogenation of Base-Stabilized B2H5(+) Complexes and Its Role in C-H Borylation.

Abstract

Thermally induced dehydrogenation of the H-bridged cation L2B2H5(+) (L=Lewis base) is proposed to be the key step in the intramolecular C-H borylation of tertiary amine boranes activated with catalytic amounts of strong "hydridophiles". Loss of H2 from L2B2H5(+) generates the highly reactive cation L2B2H3(+), which in its sp(2)-sp(3) diborane(4) form then… (More)
DOI: 10.1002/anie.201507647

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