Add time:07/16/2019         Source:sciencedirect.com

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.

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