CN101058581A - 右佐匹克隆中间体6-(5-氯-2-吡啶基)-5,7-二氧代-6,7-二氢-5H-吡咯并[3,4-b]吡嗪的制备方法 - Google Patents
右佐匹克隆中间体6-(5-氯-2-吡啶基)-5,7-二氧代-6,7-二氢-5H-吡咯并[3,4-b]吡嗪的制备方法 Download PDFInfo
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- CN101058581A CN101058581A CN 200610013491 CN200610013491A CN101058581A CN 101058581 A CN101058581 A CN 101058581A CN 200610013491 CN200610013491 CN 200610013491 CN 200610013491 A CN200610013491 A CN 200610013491A CN 101058581 A CN101058581 A CN 101058581A
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- pyrazine
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- chloropyridine
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CN2006100134919A CN101058581B (zh) | 2006-04-21 | 2006-04-21 | 右佐匹克隆中间体6-(5-氯-2-吡啶基)-5,7-二氧代-6,7-二氢-5H-吡咯并[3,4-b]吡嗪的制备方法 |
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CN101058581A true CN101058581A (zh) | 2007-10-24 |
CN101058581B CN101058581B (zh) | 2011-06-08 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106220630A (zh) * | 2016-07-23 | 2016-12-14 | 威海迪素制药有限公司 | 一种n‑取代吡咯并[3,4‑b]吡嗪‑5,7(6h)‑二酮的制备方法 |
CN114621192A (zh) * | 2020-12-08 | 2022-06-14 | 江苏天士力帝益药业有限公司 | 一种吡嗪-2,3-二羧酸双[(5-氯-吡啶-2-基)-酰胺]的合成方法 |
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OA04285A (fr) * | 1972-01-07 | 1979-12-31 | Rhone Poulenc Sa | Nouveaux dérivés de la pyrrolo (3,4-b) pyrazine et leur préparation. |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106220630A (zh) * | 2016-07-23 | 2016-12-14 | 威海迪素制药有限公司 | 一种n‑取代吡咯并[3,4‑b]吡嗪‑5,7(6h)‑二酮的制备方法 |
CN106220630B (zh) * | 2016-07-23 | 2019-12-10 | 迪嘉药业集团有限公司 | 一种n-取代吡咯并[3,4-b]吡嗪-5,7(6h)-二酮的制备方法 |
CN114621192A (zh) * | 2020-12-08 | 2022-06-14 | 江苏天士力帝益药业有限公司 | 一种吡嗪-2,3-二羧酸双[(5-氯-吡啶-2-基)-酰胺]的合成方法 |
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Assignee: Tianshili Diyi Pharmaceutical Ind Co., Ltd., Jiangsu Assignor: Tianjin Tasly Group Co., Ltd. Contract record no.: 2012320000243 Denomination of invention: Method of preparing eszopiclone intermediate 6-(5-chloro-2-pyridyl)-5,7-dioxy-6,7-dihydro-5H-pyrrolo[3,4-b] pyrazine Granted publication date: 20110608 License type: Exclusive License Open date: 20071024 Record date: 20120316 |
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Effective date of registration: 20191107 Address after: 223002 Huaian City, Jiangsu province Qingpu Industrial Park of Chaoyang Road No. 168 Co-patentee after: Tianjin Tasly sants Pharmaceutical Co. Ltd. Patentee after: Tianshili Diyi Pharmaceutical Ind Co., Ltd., Jiangsu Address before: 223002 Huaian City, Jiangsu province Qingpu Industrial Park of Chaoyang Road No. 168 Patentee before: Tianshili Diyi Pharmaceutical Ind Co., Ltd., Jiangsu |