CN102146087A - 一种制备高纯度左氧氟沙星半水合物的方法 - Google Patents
一种制备高纯度左氧氟沙星半水合物的方法 Download PDFInfo
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- CN102146087A CN102146087A CN2010102849804A CN201010284980A CN102146087A CN 102146087 A CN102146087 A CN 102146087A CN 2010102849804 A CN2010102849804 A CN 2010102849804A CN 201010284980 A CN201010284980 A CN 201010284980A CN 102146087 A CN102146087 A CN 102146087A
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- levofloxacin
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- carboxylic acid
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
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- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
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Priority Applications (1)
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CN201010284980.4A CN102146087B (zh) | 2010-02-10 | 2010-09-08 | 一种制备高纯度左氧氟沙星半水合物的方法 |
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CN201010123500.6 | 2010-02-10 | ||
CN201010123500 | 2010-02-10 | ||
CN2010101235006 | 2010-02-10 | ||
CN201010284980.4A CN102146087B (zh) | 2010-02-10 | 2010-09-08 | 一种制备高纯度左氧氟沙星半水合物的方法 |
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CN102146087A true CN102146087A (zh) | 2011-08-10 |
CN102146087B CN102146087B (zh) | 2015-08-12 |
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CN201010284980.4A Active CN102146087B (zh) | 2010-02-10 | 2010-09-08 | 一种制备高纯度左氧氟沙星半水合物的方法 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102643277A (zh) * | 2012-04-10 | 2012-08-22 | 常州康丽制药有限公司 | 更昔洛韦的精制方法 |
CN104098548A (zh) * | 2013-04-11 | 2014-10-15 | 上海医药工业研究院 | 一种Delafloxacin的精制方法 |
CN107759582A (zh) * | 2016-08-17 | 2018-03-06 | 四川科瑞德制药股份有限公司 | 一种新型中枢性骨骼肌松弛药的制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003028664A2 (en) * | 2001-10-03 | 2003-04-10 | Teva Pharmaceutical Industries Ltd. | Preparation of levofloxacin and forms thereof |
US20030144511A1 (en) * | 2001-10-03 | 2003-07-31 | Valerie Niddam-Hildesheim | Methods for the purification of levofloxacin |
WO2006048889A1 (en) * | 2004-11-08 | 2006-05-11 | Neuland Laboratories Ltd. | An improved process for the preparation of levofloxacin hemihydrate |
CN101307060A (zh) * | 2008-07-04 | 2008-11-19 | 浙江京新药业股份有限公司 | 左氧氟沙星半水化合物的制备工艺 |
CN101575344A (zh) * | 2008-05-08 | 2009-11-11 | 浙江京新药业股份有限公司 | 高纯度假多晶型左氧氟沙星半水化合物的制备方法 |
-
2010
- 2010-09-08 CN CN201010284980.4A patent/CN102146087B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003028664A2 (en) * | 2001-10-03 | 2003-04-10 | Teva Pharmaceutical Industries Ltd. | Preparation of levofloxacin and forms thereof |
US20030144511A1 (en) * | 2001-10-03 | 2003-07-31 | Valerie Niddam-Hildesheim | Methods for the purification of levofloxacin |
WO2006048889A1 (en) * | 2004-11-08 | 2006-05-11 | Neuland Laboratories Ltd. | An improved process for the preparation of levofloxacin hemihydrate |
CN101575344A (zh) * | 2008-05-08 | 2009-11-11 | 浙江京新药业股份有限公司 | 高纯度假多晶型左氧氟沙星半水化合物的制备方法 |
CN101307060A (zh) * | 2008-07-04 | 2008-11-19 | 浙江京新药业股份有限公司 | 左氧氟沙星半水化合物的制备工艺 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102643277A (zh) * | 2012-04-10 | 2012-08-22 | 常州康丽制药有限公司 | 更昔洛韦的精制方法 |
CN102643277B (zh) * | 2012-04-10 | 2014-07-16 | 常州康丽制药有限公司 | 更昔洛韦的精制方法 |
CN104098548A (zh) * | 2013-04-11 | 2014-10-15 | 上海医药工业研究院 | 一种Delafloxacin的精制方法 |
CN104098548B (zh) * | 2013-04-11 | 2017-07-18 | 上海医药工业研究院 | 一种Delafloxacin的精制方法 |
CN107759582A (zh) * | 2016-08-17 | 2018-03-06 | 四川科瑞德制药股份有限公司 | 一种新型中枢性骨骼肌松弛药的制备方法 |
Also Published As
Publication number | Publication date |
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CN102146087B (zh) | 2015-08-12 |
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Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: HEC Pharmaceutical Company Assignor: Dongyangguang Pharmaceutical Co., Ltd., Guangdong Contract record no.: 2011440000051 Denomination of invention: Method for preparing high-purity levofloxacin semihydrate License type: Common License Open date: 20110810 Record date: 20110222 |
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C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200917 Address after: 443300, No. 38, Binjiang Road, Yidu, Hubei, Yichang Patentee after: YICHANG HEC CHANGJIANG PHARMACEUTICAL Co.,Ltd. Address before: 523871 Guangdong Province, Dongguan city Changan Town Industrial Zone on the sand Fifth East Sunshine science and Technology Park Patentee before: SUNSHINE LAKE PHARMA Co.,Ltd. |
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TR01 | Transfer of patent right |