Hi,
Majority of research papers say about the proton exchange in peptides, proteins, membranes, zeolites and metal complexes. Below is a list of some articles about proton exchange of organic molecules in water as a solvent (or some water solutions). I hope it will help a little in further literature digging.
Best wishes,
Arek
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Proton exchange in amides: surprises from simple systems
http://pubs.acs.org/doi/abs/10.1021/ar00164a002
Proton-exchange rates in solid tropolone as measured via carbon-13 CP/MAS NMR
http://pubs.acs.org/doi/abs/10.1021/ja00347a012
NMR site-to-site rate constants and the mechanisms of acid-catalyzed proton exchange in secondary amides
http://pubs.acs.org/doi/abs/10.1021/ja00322a002
Mechanisms of acid-catalyzed proton exchange in N-methyl amides
http://pubs.acs.org/doi/abs/10.1021/ja00388a036
NMR studies of base-catalyzed proton exchange in amides
http://pubs.acs.org/doi/abs/10.1021/ja00406a005
Two-dimensional NMR investigation of amide proton exchange in aqueous solution
http://pubs.acs.org/doi/abs/10.1021/ja00365a097
NMR studies of water transport and proton exchange in water-in-carbon dioxide microemulsions
http://pubs.acs.org/doi/abs/10.1021/jp0222705
Structural effects on rates and equilibriums. XV. Hydrogen-bonded intermediates and stepwise mechanisms for proton-exchange reactions between oxygen atoms in hydroxylic solvents
http://pubs.acs.org/doi/abs/10.1021/ja00771a038
Rate and Mechanism of Proton Exchange in Aqueous Solutions of Phosphate Buffer
http://pubs.acs.org/doi/abs/10.1021/ja01076a006
Kinetics of Proton Exchange in Aqueous Solutions of Acetate Buffer
http://pubs.acs.org/doi/abs/10.1021/ja00907a004
Rate and Mechanism of Proton Exchange in Aqueous Solutions of Phenol-Sodium Phenolate Buffer
http://pubs.acs.org/doi/abs/10.1021/ja01076a007
Ionization and Proton Exchange of Amines in Acetic Acid. II. Effect of Structure on Reactivity and the Reaction Mechanism
http://pubs.acs.org/doi/abs/10.1021/ja01069a002
NUCLEAR MAGNETIC RESONANCE MEASUREMENTS OF PROTON EXCHANGE IN ALCOHOL–WATER SYSTEMS: PART II. n-C3H7OH–H2O AND i-C3H7OH–H2O
http://www.nrcresearchpress.com/doi/abs/10.1139/v63-364#.VQRyzOEcWT8
Nuclear Magnetic Resonance Study of the Proton Transfer in Water
http://scitation.aip.org/content/aip/journal/jcp/34/2/10.1063/1.1700960
Proton exchange of phenol in aqueous acid
http://pubs.acs.org/doi/abs/10.1021/j100865a047
NMR study of the kinetics of proton exchange between phenolic hydroxyls and water
http://link.springer.com/article/10.1007%2FBF00526236?LI=true
Does dissociation of amine water complexes depend upon amine basicity? Proton exchange between quinuclidinium ions and solvent
http://pubs.acs.org/doi/abs/10.1021/ja00018a043
Investigation of Rapid Proton Exchange by Proton Magnetic Resonance
http://www.turpion.org/php/paper.phtml?journalid=rc&paperid=2049
Kinetics of proton exchange in the ionization and acid dissociation of imidazole in aqueous acid
http://pubs.acs.org/doi/abs/10.1021/ja01038a002
Generation and stability of a simple thiol ester enolate in aqueous solution
http://pubs.acs.org/doi/abs/10.1021/ja00052a028
Comparisons of rate constants for thiolate-disulfide interchange in water and in polar aprotic solvents using dynamic proton NMR line shape analysis
http://pubs.acs.org/doi/abs/10.1021/ja00159a046
A comparative study of the kinetics of selenol/diselenide and thiol/disulfide exchange reactions
http://pubs.acs.org/doi/abs/10.1021/ja00199a012
Nuclear magnetic resonance measurements of proton exchange in aqueous thiourea
http://pubs.acs.org/doi/abs/10.1021/j100707a014