PURIFICATION OF 2,5-ANHYDRO-D-HEXITOL BIS(PHOSPHATES) AND IDENTIFICATION OF A MAJOR 1,4,6-TRIS(PHOSPHATE) CONTAMINANT BY (31)P-, (13)C-, AND (1)H-N.M.R. SPECTROSCOPY

Article abstract of DOI:10.1016/S0008-6215(00)85572-X

The reaction of two equivalents of diphenylchlorophosphate in cold pyridine with 2,5-anhydrohexitols has been assumed to result in only 1,6-bis(diphenylphosphate) products.However, by thin-layer, silica gel dry column, and DEAE-Sephadex A-25 column chroma