Skip to main content
. Author manuscript; available in PMC: 2021 Jul 30.
Published in final edited form as: J Phys Chem B. 2020 Jul 22;124(30):6520–6528. doi: 10.1021/acs.jpcb.0c03671

Table 1.

Experimental pKa shifts of benzimidazole and its derivatives upon complexation with CB7. pKa results were taken from ref.1

Ligand pKaFree pKaComplex ΔpKa
BZ 5.5 9.0 3.5
ABZ 3.5 6.1 4.0
CBZ 4.5 7.0 3.8
FBZ 4.8 8.6 2.6
TBZ 4.6 8.6 2.5