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. 2022 Nov 14;14(1):162–170. doi: 10.1039/d2sc05704b

Equilibrium and rate constants for the dissociation of 3-(hydroxybenzyl)triazolium adductsa.

graphic file with name d2sc05704b-u2.jpg
Entry Triazolium salt Tetrahedral adduct k d (×10−5 s−1) k d fit (×10−5 s−1) k a (×10−2 M−1 s−1) k a fit (×10−2 M−1 s−1) K diss (×10−5 M−1) K fit (×10−5 M−1) 1/Kdiss (×102 M−1)
1 39 12 4.54 4.06 20.7 16.6 21.9 24.5 45.7
2 42 18 0.882 0.879 41.8 43.5 2.11 2.02 474
3 45 29 25.6 26.1 23.3 24.8 11.0 10.5 9.09
4 46 30 8.46 8.57 135 136 6.27 6.30 160
a

Conditions: tetrahedral adduct 20 mM, Et3N : Et3N·HCl (2 : 1) 90 mM in CD3OD at 25 °C.