期刊
JOURNAL OF CHROMATOGRAPHY A
卷 1240, 期 -, 页码 113-122出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.chroma.2012.03.089
关键词
Lipophilicity; Drugs; HPLC; UHPLC; QSPR model; Polarity model
资金
- Ministerio de Ciencia e Innovacion of the Spanish Government
- European Union [CTQ2010-19217/BQU]
- Ministerio de Ciencia e Innovacion [CTQ2007-61623/BQU]
A reported chromatographic method to determine the 1-octanol/water partition coefficient (log P-o/w) has been used to estimate the lipophilicity of 33 drugs with diverse structures and functionalities, including neutral, acid, basic, and amphoteric compounds. The applicability of the chromatographic method has been extended to the UHPLC technique, and the results obtained were compared to those obtained from conventional HPLC. No significant difference between the results obtained by both techniques is noticed. Thus, the suitability of UHPLC, which involves shorter run times, for lipophilicity assessment is demonstrated. In order to show the consistency of this chromatographic method, the log P-o/w, values of those drugs which have acid-base properties have been also determined by potentiometry, and the final results have been compared with both values derived from the chromatographic method and the ones from the literature. (C) 2012 Elsevier B.V. All rights reserved.
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