The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 06, 2013
Filed:
Oct. 22, 2010
Jun Ying, Guangdong, CN;
Feng Peng, Guangdong, CN;
Yuping Wang, Guangdong, CN;
Suiwei an, Guangdong, CN;
Jinqiang Liang, Guangdong, CN;
Beimei Liang, Guangdong, CN;
Qingchun NI, Guangdong, CN;
Cheng Luo, Guangdong, CN;
Jun Ying, Guangdong, CN;
Feng Peng, Guangdong, CN;
Yuping Wang, Guangdong, CN;
Suiwei An, Guangdong, CN;
Jinqiang Liang, Guangdong, CN;
Beimei Liang, Guangdong, CN;
Qingchun Ni, Guangdong, CN;
Cheng Luo, Guangdong, CN;
Hainan Hualon Pharmaceutical Co., Ltd., Hainan, CN;
Abstract
Anti-infection levorotatory optically active compound (S-configuration) of prulifloxacin represented by the following formula (1) and preparation method thereof are disclosed. Said method utilizes levorotatory ulifloxacin as the raw material and the reaction is conducted in organic solvent in the presence of alkaline materials, wherein the reaction temperature is −20° C.˜60° C. and the reaction time is 15 minutes to 24 hours.