Clarithromycin can be easily prepared by reacting erythromycin A N-oxide with a methylating agent to obtain 6-O-methylerythromycin A N-oxide; and treating 6-O-methylerythromycin A N-oxide obtained above with a reducing agent in a high yield.
申请公布号
EP1232171(A4)
申请公布日期
2002.10.31
申请号
EP20000981874
申请日期
2000.11.23
申请人
HANMI PHARM. CO., LTD.
发明人
SUH, KWEE, HYUN;SEONG, MI, RA;KIM, NAM, DU;LEE, GWAN, SUN