4.7 Article

Metal-free trans-hydroboration without a B-H bond: reactions of propargyl amines with Lewis acidic boranes

Journal

CHEMICAL COMMUNICATIONS
Volume 58, Issue 49, Pages 6910-6913

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d2cc02687b

Keywords

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Funding

  1. National Natural Science Foundation of China [21801035]
  2. Dalian Science and Technology Bureau [2019RQ135]
  3. Large-scale Instruments and Equipments Open Fundation of Dalian University of Technology

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The first alkyne trans-hydroboration reaction without a B-H bond was achieved by reacting propargyl amines with Lewis acidic boranes under mild conditions. The mechanism involved borane-mediated alkyne activation and intramolecular hydride transfer, resulting in a unique hydroboration in the absence of a B-H bond.
The first alkyne trans-hydroboration reaction without a B-H bond was described. This was achieved by reactions of propargyl amines with Lewis acidic boranes under mild conditions. The mechanism involved borane-mediated alkyne activation and intramolecular hydride transfer, thus realizing a unique hydroboration in the absence of a B-H bond.

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