Patent · US Active

Optically active compound of prulifloxacin for treating infection and preparation method thereof

US8501741B2 · kind B2 · utility

0Cited by

1References

9Claims

0Family size

Assignee

Hainan Hualon Pharmaceutical Co., Ltd. · CN

Inventors

Jun Ying · 红钢城街道, CN
Feng Peng · Sichuan, CN
Yuping Wang · San Jose, US
Suiwei An · Tangxia, CN
Jinqiang Liang · 流花街道, CN
Beimei Liang · Tangxia, CN
Qingchun Ni · Tangxia, CN
Cheng LUO · Shanghai, CN

Key dates

Filing date	Oct 22, 2010
Grant date	Aug 6, 2013
Priority date	—
Expiry date	Oct 22, 2030

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P31/04
WIPO fieldPharmaceuticals
WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.