Process for producing purified erythromycin
AssigneeChugai Seiyaku Kabushiki Kaisha
InventorsKaname Tsuzaki, Megumi Ishii
Life of this patent
Estimating the term…
Abstract
The object of the present invention is to prepare purified erythromycin by removing erythromycin F from erythromycin. The present invention provides a method for preparing purified erythromycin from which erythromycin F is removed, which comprises the step of extracting erythromycin F from erythromycin using (i) an organic solvent and (ii) water or an aqueous solution of an inorganic and/or organic material.
Claims8
A method for preparing purified erythromycin and/or at least one erythromycin analog, which comprises the step of removing erythromycin F and/or at least one erythromycin F analog from erythromycin and/or at least one erythromycin analog using:
- (i) an organic solvent;
- and
- (ii) water or an aqueous solution of an inorganic and/or organic material.
A method for preparing purified erythromycin F and/or at least one erythromycin F analog, which comprises the step of extracting erythromycin F and/or at least one erythromycin F analog from erythromycin and/or at least one erythromycin analog using:
- (i) an organic solvent;
- and
- (ii) water or an aqueous solution of an inorganic and/or organic material.
Dependencies are inferred from the claim text.