CN101648911B - 一种4-硝基-3,5-二甲基吡啶-n-氧化物的提纯方法 - Google Patents
一种4-硝基-3,5-二甲基吡啶-n-氧化物的提纯方法 Download PDFInfo
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- CN101648911B CN101648911B CN2009100350127A CN200910035012A CN101648911B CN 101648911 B CN101648911 B CN 101648911B CN 2009100350127 A CN2009100350127 A CN 2009100350127A CN 200910035012 A CN200910035012 A CN 200910035012A CN 101648911 B CN101648911 B CN 101648911B
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- nitro
- lutidine
- oxide compound
- oxide
- dimethylpyridine
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- Pyridine Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Description
有机溶剂 | 提纯后产物的纯度(HPLC) |
苯 | 96.32% |
甲苯 | 95.61% |
石油醚 | 94.53% |
无水甲醇 | 99.47% |
丙酮 | 96.75% |
异丙醇 | 97.12% |
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CN2009100350127A CN101648911B (zh) | 2009-09-14 | 2009-09-14 | 一种4-硝基-3,5-二甲基吡啶-n-氧化物的提纯方法 |
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CN2009100350127A CN101648911B (zh) | 2009-09-14 | 2009-09-14 | 一种4-硝基-3,5-二甲基吡啶-n-氧化物的提纯方法 |
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CN101648911A CN101648911A (zh) | 2010-02-17 |
CN101648911B true CN101648911B (zh) | 2011-04-06 |
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CN104557693B (zh) * | 2015-01-16 | 2017-01-04 | 江苏中邦制药有限公司 | 一种3,5-二甲基-4-硝基吡啶-n-氧化物的合成方法 |
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EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Zhongbang Pharmaceutical Co.Ltd. Assignor: Nanjing First Pesticide Group Co., Ltd. Contract record no.: 2011320000592 Denomination of invention: Continuous preparation method of 4-nitro-3,5-dimethylpyridine-N-oxide Granted publication date: 20110406 License type: Exclusive License Open date: 20100217 Record date: 20110415 |
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Effective date of registration: 20200914 Address after: 211300 No. 36, double high road, Gaochun Development Zone, Jiangsu, Nanjing, China Patentee after: Jiangsu Zhongbang Pharmaceutical Co.,Ltd. Address before: 211300 Pagoda Road 269, Gaochun County, Jiangsu, Nanjing Patentee before: Nanjing No.1 Pesticide Group Co.,Ltd. |