专利检索 ap:("Matrix Laboratories Limited") AND inv:"GOGULAPATHI, Venkata Panakala Rao" 第 1 页

1.

发明公开
AN IMPROVED PROCESS FOR THE PREPARATION OF LEVOFLOXACIN HEMIHYDRATE 审中-公开
标题翻译：改进工艺用于生产左氧氟沙星半水

公开(公告)号：EP1797101A1

公开(公告)日：2007-06-20

申请号：EP05788709.3

申请日：2005-08-08

申请人： Matrix Laboratories Limited

发明人： CHAVA, Satyanaryana, Plot No 40 , GORANTLA, Seeta Ramanjaneyulu, Plot No-12 , GOGULAPATHI, Venkata Panakala Rao

IPC分类号： C07D497/06

CPC分类号： C07D498/06

摘要： The present invention relates to an improved process for the preparation of Levofloxacin hemihydrate by adjusting the moisture content of the solvent to about 12% to about 20% during crystallization.