alexa The effective molarity (EM)--a computational approach.
Medicine

Medicine

Drug Designing: Open Access

Author(s): Karaman R

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Abstract The effective molarity (EM) for 12 intramolecular S(N)2 processes involving the formation of substituted aziridines and substituted epoxides were computed using ab initio and DFT calculation methods. Strong correlation was found between the calculated effective molarity and the experimentally determined values. This result could open a door for obtaining EM values for intramolecular processes that are difficult to be experimentally provided. Furthermore, the calculation results reveal that the driving forces for ring-closing reactions in the two different systems are proximity orientation of the nucleophile to the electrophile and the ground strain energies of the products and the reactants. Copyright 2010 Elsevier Inc. All rights reserved. This article was published in Bioorg Chem and referenced in Drug Designing: Open Access

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