Highly efficient chromatographic resolution of alpha,alpha'-dihydroxybiaryls.

[graph: see text] Separation factors as high as 115 were observed for the chromatographic resolution of many alpha,alpha'-dihydroxybiaryls with a single chiral stationary phase made from readily available amino acid derivatives. The stationary phase works well for biphenyl-type compounds. It works extremely well for larger bis-aromatic compounds, such as binaphthyl-type compounds.

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