Process for the separation of folinic acids

Details Process for the separation of folinic acids Process for the separation of folinic acids

C - Chemistry, Metallurgy

07

D

C07D 475/04 (2006.01)

Patent

CA 2100667

- 1 - A process for the separation of folinic acids. ABSTRACT The treatment of racemic calcium folinate with a sodium salt of ethylendiaminotetraacetic acid and, preferably, calcium cloride determines the separation of a precipitate, whose mother liquors result enriched in a calcium salt of the levofolinic acid, purifiable through repeated crystallizations.

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