CN103664772B - 5-氯-3-氰基-4-甲氧基-2(1 h)吡啶酮的合成方法 - Google Patents
5-氯-3-氰基-4-甲氧基-2(1 h)吡啶酮的合成方法 Download PDFInfo
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- CN103664772B CN103664772B CN201310620434.7A CN201310620434A CN103664772B CN 103664772 B CN103664772 B CN 103664772B CN 201310620434 A CN201310620434 A CN 201310620434A CN 103664772 B CN103664772 B CN 103664772B
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CN201310620434.7A CN103664772B (zh) | 2013-11-29 | 2013-11-29 | 5-氯-3-氰基-4-甲氧基-2(1 h)吡啶酮的合成方法 |
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CN201310620434.7A CN103664772B (zh) | 2013-11-29 | 2013-11-29 | 5-氯-3-氰基-4-甲氧基-2(1 h)吡啶酮的合成方法 |
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CN103664772A CN103664772A (zh) | 2014-03-26 |
CN103664772B true CN103664772B (zh) | 2016-08-24 |
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CN113861106A (zh) * | 2021-10-26 | 2021-12-31 | 山东安舜制药有限公司 | 一种高纯度药用吉美嘧啶的生产工艺 |
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JP2826646B2 (ja) * | 1991-09-19 | 1998-11-18 | 大鵬薬品工業株式会社 | 3−置換−5−ハロゲノピリジン誘導体 |
JP2577712B2 (ja) * | 1995-09-25 | 1997-02-05 | 石原産業株式会社 | イミダゾ〔4,5−b〕ピリジン系化合物及びそれらを含有する有害生物防除剤 |
US6399781B1 (en) * | 2000-10-10 | 2002-06-04 | Boehringer Ingelheim Chemicals, Inc. | Process for making 3-amino-2-chloro-4-methylpyridine |
CN1915976B (zh) * | 2006-09-08 | 2010-05-12 | 中国药科大学 | 5-氯-4-羟基-2(1h)-吡啶酮的制备方法及中间体 |
CN101812016B (zh) * | 2009-02-23 | 2013-01-16 | 浙江海翔药业股份有限公司 | 一种制备依托昔布中间体-6-甲基烟酸及其酯的方法 |
CN101875629B (zh) * | 2010-03-31 | 2013-03-06 | 南京元华科技咨询有限公司 | 潘托拉唑中间体吡啶盐酸盐的工业制备方法 |
CN102432530A (zh) * | 2011-11-17 | 2012-05-02 | 深圳海王药业有限公司 | 一种高纯度的吉美嘧啶的制备方法 |
CN103086962A (zh) * | 2013-01-25 | 2013-05-08 | 苏州昊帆生物科技有限公司 | 5-氯-2,4-二羟基吡啶的合成方法 |
CN103408487B (zh) * | 2013-08-23 | 2015-07-08 | 北京众和民健医药科技有限公司 | 一种吉莫斯特的精制方法 |
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Inventor after: Li Lei Inventor before: You Xiaoming Inventor before: Li Yang Inventor before: Zhang Guodong Inventor before: Wang Xiantao Inventor before: Yan Yunfeng Inventor before: Wei Wenxiang |
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