Purine tautomeric preferences and bond-length alternation in relation with protonation-deprotonation and alkali metal cationization
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DOI: 10.1007/s00894-020-4343-6
Abstract: Quantum chemical calculations were carried out for deprotonated ( P − ) and protonated purine ( PH + ) and for adducts with one alkali metal cation ( P − M + and PM +… read more here.
Keywords: alkali metal; protonation; cationization; protonation deprotonation ... See more keywords
Nanotubular polypyrrole: Reversibility of protonation/deprotonation cycles and long-term stability
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DOI: 10.1016/j.eurpolymj.2019.03.037
Abstract: Abstract An alteration of electrical conductivity of the conducting polymers from a conducting to a non-conducting form and vice versa is a feature of the high importance. Here, the changes in conductivity of the polypyrrole… read more here.
Keywords: reversibility protonation; nanotubular polypyrrole; protonation deprotonation; deprotonation ... See more keywords
Visualization of Protonation/Deprotonation of Active Pharmaceutical Ingredient in Solid State by Vapor Phase Amine-Selective Alkyne Tagging and Raman Imaging.
Sign Up to like & getrecommendations! Published in 2017 at "Journal of pharmaceutical sciences"
DOI: 10.1016/j.xphs.2017.03.006
Abstract: Here, we report a simple and direct method to visualize the protonation/deprotonation of an amine active pharmaceutical ingredient (API) in the solid state using a solid-vapor reaction with propargyl bromide and Raman imaging for the… read more here.
Keywords: state; raman imaging; vapor; protonation ... See more keywords
Variable control of the electronic states of a silver nanocluster via protonation/deprotonation of polyoxometalate ligands
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DOI: 10.1039/d2sc01156e
Abstract: The properties of metal nanoclusters depend on both their structures and electronic states. However, in contrast to the significant advances achieved in the synthesis of structurally well-defined metal nanoclusters, systematic control of their electronic states… read more here.
Keywords: control electronic; nanocluster via; electronic states; protonation deprotonation ... See more keywords
Influence of β-octabromination on free-base triarylcorroles: Electrochemistry and protonation-deprotonation reactions in nonaqueous media
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DOI: 10.1142/s1088424617500602
Abstract: Electrochemical and acid-base properties of four free-base triarylcorroles were examined in nonaqueous media. These compounds are represented here as (tdcc)H3, (tpfc)H3, (Br8tdcc)H3 and (Br8tpfc)H3, where tdcc and tpfc are the trianions of tris(2,6-dichlorophenyl)corrole and tris(pentafluorophenyl)corrole,… read more here.
Keywords: nonaqueous media; base triarylcorroles; base; free base ... See more keywords