alexa The effective molarity (EM) puzzle in proton transfer reactions.
Medicine

Medicine

Drug Designing: Open Access

Author(s): Karaman R, Karaman R

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Abstract The DFT and HF calculation results for the proton transfer reactions of three different systems reveal that the reaction mechanism (transfer of a proton to a nucleophile) is largely determined by the distance between the two reactive centers (r). Systems with relatively large r values tend to abstract a proton from a molecule of water, whereas, these with a relatively small r values prefer to be engaged intramolecularly and their interaction with water is only via hydrogen bonding. Further, the results indicate that the effective molarity (logEM) for an intramolecular process is strongly correlated with the distance between the two reacting centers (r) in accordance with Menger's "spatiotemporal hypothesis". This article was published in Bioorg Chem and referenced in Drug Designing: Open Access

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