Chem. J. Chinese Universities ›› 2002, Vol. 23 ›› Issue (4): 644.

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Relationships Between Solvent Molecule Tridimensional ElectrostaticPotentials and Solubilities of Several Drugs in Individual Solvents

ZOU Jian-Wei, SHANG Zhi-Cai, YU Qing-Sen   

  1. Department of Chemistry, Zhejiang University, Hangzhou 310027, China
  • Received:2000-12-26 Online:2002-04-24 Published:2002-04-24

Abstract: Ab initio optimizations at HF/6-31G* level and subsequent electrostatic potential calculationshave been performed for a group of 54 solvent molecules.Good correlation of solubilities of four usualdrugs, paracetamol, lidocaine, haloperidol and sulfadiazine in individual solvents with the computed quanti-ties derived from solvent molecule electrostatic potentials has been obtained.We find that Vmin, Vs,max, Ⅱ and σtot2 can be well used to predict the solubility behavior of the above drugs.

Key words: Solubility, Drug, Molecular tridimensional electrostatic potential, QSPR

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