NOVEL PROCESS FOR PREPARING 3-AMINOMETHYL-4-Z-METHOXYIMINOPYRROLIDINE
摘要
The present invention relates to a novel process for preparing an intermediate of quinolone antibiotics Gemifloxacin, or acid addition salts thereof wherein crystallization and filtration steps of the precursor compound can be omitted, whereby the yield of the intermediate compound is drastically increased.
申请公布号
WO0218336(A1)
申请公布日期
2002.03.07
申请号
WO2001KR01466
申请日期
2001.08.29
申请人
LG CHEM INVESTMENT LTD.;LEE, DONG-CHUL;KWON, YOUNG-WOON;KIM, YEONG-DAE;RHEE, CHANG-HOON