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Updated: Nov 29, 2025

From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding
Published on: March 24, 2018
Dynamic Ion Speciation during the Hydrolysis of Aryltrifluoroborates*
Isaac Omari1, Lars P E Yunker1, Johanne Penafiel1
1Department of Chemistry, University of Victoria, P.O. Box 1700 STN CSC, Victoria, BC, V8W 2Y2, Canada.
Abstract:
Organotrifluoroborates serve as coupling partners during transmetalation in the Suzuki-Miyaura reaction but require hydrolysis prior to the coupling reaction. Their anionic nature allows study of their hydrolysis by electrospray ionization mass spectrometry (ESI-MS) through real-time monitoring, complemented by pH analysis. The induction period varied according to the borates employed, and a dynamic series of equilibria for numerous ions was observed during hydrolysis. We found that the induction periods and reaction rates were sensitive to the R group of the borates, the shape of the reaction vessel, and stir rate.
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