Chemometric Study of Retention Indices of Some Thiazolidinediones Derivatives in Two Low Polarity Stationary Phases
Adam Smolinski and Tatjana Lj. Djakovic-Sekulic
Affiliation: Department of Chemistry, Biochemistry and Environmental Protection, Faculty of Sciences, University of Novi Sad, Trg Dositeja Obradovica 3, Novi Sad, Republic of Serbia.
Application of chemometric methods in the study of the retention indices of thirteen 5-arylidene-2,4-
thiazolidinediones in two low polarity high-performance thin-layer chromatographic (HPTLC) stationary phases (RP-18
and RP-CN) and six aqueous mobile phases. Principal component analysis classified chromatographic systems into four
specific groups while one system remained non-classified. Hierarchical clustering analysis enabled grouping of the
chromatographic systems into three clusters, and the studied compounds into three main classes. The color map enabled
more in-depth interpretation of the relationships between the studied compounds and HPTLC systems applied.
Keywords: 5-arylidene-2, 4-thiazolidinediones, classification, color map, dendrogram, HCA, PCA.
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