SEPARATION OF COFORMYCIN AND ITS RELATED NUCLEOSIDES

摘要

TITLE OF INVENTION Separation of coformycin and its related nucleosides A known nucleoside, coformycin and its related substances such as isocoformycin, 2' -deoxycoformycin and formycins present as a mixture of them may be separated from each other when an aqueous solution containing them is chromatographed on a column of a cation-exchanger having partially activated carboxylic groups as the ion-exchange function with using water or a buffer solution as the developing solvent.