process for the production of fludarabine phosphate lithium, sodium, potassium, calcium and magnesium salts, processes for the manufacture of fludarabine phosphate and fludarabine phosphate with at least 99.5 purity

摘要

The invention relates to a method for producing fludarabin phosphate lithium, sodium, potassium, calcium and magnesium salts which can be used as intermediate products for purifying fludarabin phosphate, and to fludarabin phosphate which is at least 99.5 % pure.