Patents Assigned to Jiangsu Yabang Shengyuan Pharmaceutical Co., Ltd.
  • Patent number: 9012631
    Abstract: This invention provides 1,3-oxazolidin-2-one compounds of formula I and their salts, their preparation methods, and use in the preparation of linezolid racemate and its optical isomer, which are used as oxazolidinone antibacterial agents. In the formula, R is H, hydroxyl, halogen, C1-C12 alkyl, C1-C12 alkoxy, nitro and carboxyl; and R can be placed at any position on the benzene rings; and the compound is a racemate or an optical isomer.
    Type: Grant
    Filed: August 10, 2011
    Date of Patent: April 21, 2015
    Assignees: Yabang Pharmaceutical Co., Ltd, Jiangsu Yabang Shengyuan Pharmaceutical Co., Ltd, Changzhou Yabang Pharmaceutical Co., Ltd
    Inventors: Si-Qing Wang, Yong Deng, Zai-Xin Chen, Hui Zhang, Zhi-Pei San, Bai-Yang Mao, Zheng-Jun Xia, Long Jiang, Ming-Guang Zhang, Song Lin, Ming-Lin Wang
  • Publication number: 20140171640
    Abstract: This invention provides 1,3-oxazolidin-2-one compounds of formula I and their salts, their preparation methods, and use in the preparation of linezolid racemate and its optical isomer, which are used as oxazolidinone antibacterial agents. In the formula, R is H, hydroxyl, halogen, C1-C12 alkyl, C1-C12 alkoxy, nitro and carboxyl; and R can be placed at any position on the benzene rings; and the compound is a racemate or an optical isomer.
    Type: Application
    Filed: August 10, 2011
    Publication date: June 19, 2014
    Applicants: Yabang Pharmaceutical Co., Ltd, Changzhou Yabang Pharmaceutical Co., Ltd., Jiangsu Yabang Shengyuan Pharmaceutical Co., Ltd.
    Inventors: Si-Qing Wang, Yong Deng, Zai-Xin Chen, Hui Zhang, Zhi-Pei San, Bai-Yang Mao, Zheng-Jun Xia, Long Jiang, Ming-Guang Zhang, Song Lin, Ming-Lin Wang