2024
DOI: 10.1002/ange.202409070
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Cone Angles Quantify and Predict the Affinity and Reactivity of Anion Complexes between Trifluoroborates and Rigid Macrocycles

Zhao Zhang,
Edward G. Sheetz,
Maren Pink
et al.

Abstract: Steric manipulation is a known concept in molecular recognition but there is currently no linear free energy relationship correlating sterics to the stability of receptor‐anion complexes nor to the reactivity of the bound anion. By analogy to Tolman cone angles in cation coordination chemistry, we explore how to define and correlate cone angles of organo‐trifluoroborates (R–BF3–) to the affinities observed for cyanostar‐anion binding. We extend the analogy to a rare investigation of reactivity and how it chang… Show more

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