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

The first alkyne -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 hydrobo...

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Veröffentlicht in:	Chemical communications (Cambridge, England) England), 2022-06, Vol.58 (49), p.6910-6913
Hauptverfasser:	Wang, Jingjing, Zhou, Haiyu, Wei, Junhui, Liu, Fei, Wang, Tongdao
Format:	Artikel
Sprache:	eng
Schlagworte:	Alkynes Amines Boranes Hydroboration Hydrogen bonds
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description	The first alkyne -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.
doi_str_mv	10.1039/d2cc02687b
format	Article
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subjects	Alkynes Amines Boranes Hydroboration Hydrogen bonds
title	Metal-free trans -hydroboration without a B-H bond: reactions of propargyl amines with Lewis acidic boranes
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