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. Author manuscript; available in PMC: 2024 Mar 20.
Published in final edited form as: Angew Chem Int Ed Engl. 2023 Feb 20;62(13):e202218907. doi: 10.1002/anie.202218907

Figure 3.

Figure 3.

a) Anion capture mediated by 1 yielding ditopic boron containing heterocyles 1-OAc, 1-NO2, and 1-H and their respective molecular structures b) Comparison vs. free ligand (yellow) of distortion for ditopic borane unit with each heterocycle (blue) c) Comparative thermodynamics for nitrite and hydride capture for 1 and 1-mono and d) Comparative pKa values for hydrazine N-H protons. R represents the remainder of free ligand. Thermal ellipsoids displayed at 50% probability. H-atoms and counterions (in 1-OAc and 1-NO2) are omitted, and the 9-BBN substituents and THF ligands in 1-H are displayed in wireframe for improved clarity.