Reactivity of a series of triaryl borates, B(OArx)3, in hydroboration catalysis

Tomasz Sokolnicki; Mashael M Alharbi; Yara van Ingen; Shahnaz Rahim; Milan Pramanik; Alberto Roldan; Jędrzej Walkowiak; Rebecca L Melen

doi:10.1039/d3dt03333c

Reactivity of a series of triaryl borates, B(OAr^x)₃, in hydroboration catalysis

Dalton Trans. 2023 Nov 14;52(44):16118-16122. doi: 10.1039/d3dt03333c.

Authors

Tomasz Sokolnicki^{1

2

3}, Mashael M Alharbi^{1

4}, Yara van Ingen¹, Shahnaz Rahim^{1

5}, Milan Pramanik¹, Alberto Roldan¹, Jędrzej Walkowiak³, Rebecca L Melen¹

Affiliations

¹ Cardiff Catalysis Institute, Cardiff University, Translational Research Hub, Maindy Road, Cathays, Cardiff, CF24 4HQ Wales, UK. MelenR@cardiff.ac.uk.
² Adam Mickiewicz University, Faculty of Chemistry, Uniwersytetu Poznanskiego 8, 61-614, Poznan, Poland. jedrzej.walkowiak@amu.edu.pl.
³ Adam Mickiewicz University, Center for Advanced Technology, Uniwersytetu Poznanskiego 10, 61-614, Poznan, Poland.
⁴ Department of Chemistry, King Faisal University, College of Science, P.O. Box 400, Al-Ahsa 31982, Saudi Arabia.
⁵ Department of Chemistry, Abdul Wali Khan University, Mardan, Pakistan.

PMID: 37901910
DOI: 10.1039/d3dt03333c

Abstract

In this paper, we compare the reactivity of a series of triaryl borates B(OAr^x)₃ as catalysts for the hydroboration of alkenes and alkynes. It was observed that commercially available B(OPh)₃ performed the poorest, whereas catalysts with o-F atoms appeared to perform much better.