METHOD FOR PREPARING CLARITHROMYCIN Russian patent published in 2004 - IPC

Abstract RU 2225413 C1

FIELD: medicine, antibiotics, chemical technology. SUBSTANCE: invention relates to method for preparing clarithromycin of the formula (I) that involves interaction of erythromycin A N-oxide of the formula (II) with methylating agent to obtain 6-O-methylerythromycin A N-oxide of the formula (III) and treatment of 6-O-methylerythromycin A N- oxide with reducing agent. Invention provides enhancing yield of the end product. EFFECT: improved preparing method. 9 cl, 9 ex

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RU 2 225 413 C1

Authors

Sukh Kvi Khiun

Seong Mi Ra

Kim Nam Du

Li Gvan Sun

Dates

2004-03-10Published

2000-11-23Filed