CN101475539B - 一种制备高纯度氧嗪酸钾的精制方法 - Google Patents
一种制备高纯度氧嗪酸钾的精制方法 Download PDFInfo
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- CN101475539B CN101475539B CN2009100086656A CN200910008665A CN101475539B CN 101475539 B CN101475539 B CN 101475539B CN 2009100086656 A CN2009100086656 A CN 2009100086656A CN 200910008665 A CN200910008665 A CN 200910008665A CN 101475539 B CN101475539 B CN 101475539B
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CN2009100086656A CN101475539B (zh) | 2009-02-11 | 2009-02-11 | 一种制备高纯度氧嗪酸钾的精制方法 |
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CN101475539A CN101475539A (zh) | 2009-07-08 |
CN101475539B true CN101475539B (zh) | 2010-10-20 |
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Families Citing this family (6)
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CN102250025B (zh) * | 2011-05-18 | 2013-11-13 | 深圳万乐药业有限公司 | 一种适合工业化生产奥替拉西钾的制备方法 |
CN102746244B (zh) * | 2012-07-27 | 2014-06-25 | 南京正大天晴制药有限公司 | 一种奥替拉西钾的精制方法 |
CN103435566A (zh) * | 2013-08-22 | 2013-12-11 | 江苏正大清江制药有限公司 | 一种制备氧嗪酸钾的合成工艺 |
CN103739560A (zh) * | 2013-09-24 | 2014-04-23 | 国药一心制药有限公司 | 一种奥替拉西钾的精制方法 |
CN103694184B (zh) * | 2013-12-02 | 2015-08-05 | 山东永泰集团有限公司 | 一种奥替拉西钾的精制方法 |
CN103833641B (zh) * | 2014-03-20 | 2016-03-02 | 鲁南新时代生物技术有限公司 | 一种奥替拉西钾的杂质化合物及其制备方法和用途 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shandong Xinshidai Pharmaceutical Industry Co., Ltd. Assignor: Lunan Pharmaceutical Group Co., Ltd. Contract record no.: 2010370000508 Denomination of invention: Refining method for preparing high-purity oteracil potassium License type: Exclusive License Open date: 20090708 Record date: 20100908 |
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EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Shandong Xinshidai Pharmaceutical Industry Co., Ltd. Assignor: Lunan Pharmaceutical Group Co., Ltd. Contract record no.: 2010370000508 Date of cancellation: 20121226 |
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EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20090708 Assignee: Lunan New Era Biological Technology Co., Ltd. Assignor: Lunan Pharmaceutical Group Co., Ltd. Contract record no.: 2012370000304 Denomination of invention: Refining method for preparing high-purity oteracil potassium Granted publication date: 20101020 License type: Exclusive License Record date: 20121226 |
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LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model |