Hydrophobicity parameters determined by reversed-phase liquid chromatography. XVI: A new hydrogen-accepting parameter for monosubstituted thiophenes and furans for correlating retention factors and octanol-water partition coefficients |
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Authors: | Yamagami Chisako Tachikawa Hiromi |
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Affiliation: | Kobe Pharmaceutical University, Motoyamakita-machi, Kobe, Japan. yamagami@kobepharma-u.ac.jp |
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Abstract: | We recently proposed a new hydrogen-accepting parameter, S(HA), for monosubstituted (di)azines on the basis of the heat of formation calculated by the conductor-like screening model (COSMO) method. In this work, S(HA) values for monosubstituted thiophenes and furans were calculated and the results were applied to the analysis of relationships between log P (P: 1-octanol/water partition coefficient) and log k (k: retention factor obtained by reversed phase HPLC). The S(HA) parameter was found to work effectively as a hydrogen-bonding parameter in a range of heteroaromatic compounds. |
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