A dual experimental–theoretical perspective on ESPT photoacids and their challenges ahead

N Sülzner, G Jung, P Nuernberger - Chemical Science, 2025 - pubs.rsc.org
Photoacids undergo an increase in acidity upon electronic excitation, enabling excited-state
proton transfer (ESPT) reactions. A multitude of compounds that allow ESPT has been …

Excited-state intramolecular proton transfer to carbon atoms: nonadiabatic surface-hop** dynamics simulations

SH **a, BB **e, Q Fang, G Cui, W Thiel - Physical Chemistry Chemical …, 2015 - pubs.rsc.org
Excited-state intramolecular proton transfer (ESIPT) between two highly electronegative
atoms, for example, oxygen and nitrogen, has been intensely studied experimentally and …

Water-catalyzed excited-state proton-transfer reactions in 7-azaindole and its analogues

YS Wu, HC Huang, JY Shen, HW Tseng… - The Journal of …, 2015 - ACS Publications
The mechanism of the water-catalyzed excited-state proton-transfer (ESPT) reaction for 7-
azaindole (7AI) has long been investigated, but there are some controversial viewpoints …

New six-and seven-membered ring pyrrole–pyridine hydrogen bond systems undergoing excited-state intramolecular proton transfer

Z Zhang, YH Hsu, YA Chen, CL Chen, TC Lin… - Chemical …, 2014 - pubs.rsc.org
New six- and seven-membered ring pyrrole–pyridine hydrogen bond systems undergoing
excited-state intramolecular proton transfer - Chemical Communications (RSC Publishing) …

Distance-dependent proton transfer along water wires connecting acid− base pairs

MJ Cox, RLA Timmer, HJ Bakker, S Park… - The Journal of …, 2009 - ACS Publications
We report time-resolved mid-IR kinetics for the ultrafast acid− base reaction between
photoexcited 8-hydroxypyrene-1, 3, 6-trisulfonic acid trisodium salt (HPTS), and acetate at …

Excited-state intramolecular proton transfer in non-fused five-and fused six-membered ring pyrrole-pyridine hydrogen bond systems

C Li, D Li, Y Shi, Y Liu - Organic Electronics, 2018 - Elsevier
The non-fused five-membered ring structure of 2-(1H-pyrrol-2-yl) pyridine (5-HB) is more
flexible than the fused six-membered ring structure of 10, 11, 12, 13-tetrahydro-9H-quinolino …

Cycloaddition Reactions of Azides and Electron‐Deficient Alkenes in Deep Eutectic Solvents: Pyrazolines, Aziridines and Other Surprises

F Sebest, K Lachhani, C Pimpasri… - Advanced Synthesis …, 2020 - Wiley Online Library
The reaction of organic azides and electron‐deficient alkenes was investigated in a deep
eutectic solvents. A series of highly substituted 2‐pyrazolines was successfully isolated and …

Steady-state and time-resolved spectroscopy of 2, 2′-bipyridine-3, 3′-diol in solvents and cyclodextrins: Polarity and nanoconfinement effects on tautomerization

OK Abou-Zied - The Journal of Physical Chemistry B, 2010 - ACS Publications
The ground-and excited-state tautomerization of the 2, 2′-bipyridine-3, 3′-diol molecule
(BP (OH) 2) was studied in different solvents and in confined nanocavities of cyclodextrins …

Excited-State Intermolecular Proton Transfer Reactions of 7-Azaindole(MeOH)n (n = 1–3) Clusters in the Gas phase: On-the-Fly Dynamics Simulation

R Daengngern, N Kungwan, P Wolschann… - The Journal of …, 2011 - ACS Publications
Ultrafast excited-state intermolecular proton transfer (PT) reactions in 7-azaindole
(methanol) n (n= 1–3)[7AI (MeOH) n= 1–3] complexes were performed using dynamics …

Water‐and acid‐mediated excited‐state intramolecular proton transfer and decarboxylation reactions of ketoprofen in water‐rich and acidic aqueous solutions

MD Li, CS Yeung, X Guan, J Ma, W Li… - … A European Journal, 2011 - Wiley Online Library
We present an investigation of the decarboxylation reaction of ketoprofen (KP) induced by
triplet excited‐state intramolecular proton transfer in water‐rich and acidic solutions …