TY - JOUR
T1 - From Proton to Boron
T2 - The Lewis Analogs of Protonated Brønsted Super Acids
AU - OSI, Arnaud
AU - Tumanov, Nikolay
AU - Fusaro, Lucas
AU - Wouters, Johan
AU - Berionni, Guillaume
AU - Chardon, Aurelien
N1 - Funding Information:
Dr. Thu‐Hong Doan and Dr. Koen Roybens are acknowledged for their comments on the manuscript. Damien Mahaut and Prof. Raphael Robiette are acknowledged for their help with the quantum chemical calculations. We acknowledge the University of Namur, the NISM institute and the Fond National de la Recherche Scientifique (FRS‐FNRS) for financial support (grand Numbers: F.4513.18 (G. B.), FRIA PhD grands for A. O. (1.E.097.20) and Chargé de recherche research grand for A. C. (1.B.087.21F)). The calculations were performed on the computers of the Consortium des Équipements de Calcul Intensif which are supported by the FNRS‐FRFC, the Walloon Region, and the University of Namur. We thank the PC (UNamur) and the S2MOs (UMons) platforms for access to all characterization instruments. 2
Funding Information:
Dr. Thu-Hong Doan and Dr. Koen Roybens are acknowledged for their comments on the manuscript. Damien Mahaut and Prof. Raphael Robiette are acknowledged for their help with the quantum chemical calculations. We acknowledge the University of Namur, the NISM institute and the Fond National de la Recherche Scientifique (FRS-FNRS) for financial support (grand Numbers: F.4513.18 (G. B.), FRIA PhD grands for A. O. (1.E.097.20) and Chargé de recherche research grand for A. C. (1.B.087.21F)). The calculations were performed on the computers of the Consortium des Équipements de Calcul Intensif which are supported by the FNRS-FRFC, the Walloon Region, and the University of Namur. We thank the PC2 (UNamur) and the S2MOs (UMons) platforms for access to all characterization instruments.
Publisher Copyright:
© 2023 Wiley-VCH GmbH.
PY - 2023/7/6
Y1 - 2023/7/6
N2 - Isolation and characterization of highly reactive intermediates are crucial to understand the nature of chemical reactivity. Accordingly, the reactivity of weakly coordinating anions (WCA), usually used to stabilized cationic super electrophiles are of fundamental interest. When a variety of WCA are known to form stable σ-complexes with a proton, inducing Brønsted super acidity, bis-coordinated weak-coordinated anions are much more elusive and considered as long-sought reactive species. In this work, the chemistry of borylated sulfate, triflimidate and triflate anions were scouted in details with the aim of synthetizing the unique analogs of protonated Brønsted superacids. Those complexes were formed by successive borylation with a 9-boratriptycene derived Lewis super acid paired with a weak coordinated anion, characterized in solution and in the solid state and exhibit unique structures and reactivities.
AB - Isolation and characterization of highly reactive intermediates are crucial to understand the nature of chemical reactivity. Accordingly, the reactivity of weakly coordinating anions (WCA), usually used to stabilized cationic super electrophiles are of fundamental interest. When a variety of WCA are known to form stable σ-complexes with a proton, inducing Brønsted super acidity, bis-coordinated weak-coordinated anions are much more elusive and considered as long-sought reactive species. In this work, the chemistry of borylated sulfate, triflimidate and triflate anions were scouted in details with the aim of synthetizing the unique analogs of protonated Brønsted superacids. Those complexes were formed by successive borylation with a 9-boratriptycene derived Lewis super acid paired with a weak coordinated anion, characterized in solution and in the solid state and exhibit unique structures and reactivities.
KW - Lewis Acids
KW - main-group chemistry
KW - Weak-coordinating anions
KW - Structures
KW - organoboron compounds
KW - Lewis acids
KW - structures
KW - weakly coordinating anions
UR - http://www.scopus.com/inward/record.url?scp=85159148796&partnerID=8YFLogxK
U2 - 10.1002/chem.202301146
DO - 10.1002/chem.202301146
M3 - Article
SN - 0947-6539
VL - 29
JO - Chemistry: A European Journal
JF - Chemistry: A European Journal
IS - 38
M1 - e202301146
ER -