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HPLC purification and separation of 5,5'-substituted-2,4-imidazolidinedithiones
J C Hill1, G M Flannery, B A Fraser
1Division of Cytokine Biology, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, MD 20892.
Journal of Chromatography. A
|March 25, 1994
Abstract:
Several 5,5'-substituted-2,4-imidazolidinedithiones, synthesized from aldehydes or ketones, have been purified by HPLC using poly(styrene-divinylbenzene) packings. Purified 5,5'-substituted-2,4-imidazolidinedithiones have been identified in column effluent by UV absorbance and corroborated by mass spectrometry. Several silica-based, polymeric, and poly(styrene-divinylbenzene)-based packings were evaluated as matrices for resolution of a mixture of purified 5,5'-substituted-2,4-imidazolidinedithiones.