CN108285436B - 一种ae-活性酯的制备工艺 - Google Patents
一种ae-活性酯的制备工艺 Download PDFInfo
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- CN108285436B CN108285436B CN201810217397.8A CN201810217397A CN108285436B CN 108285436 B CN108285436 B CN 108285436B CN 201810217397 A CN201810217397 A CN 201810217397A CN 108285436 B CN108285436 B CN 108285436B
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- organic solvent
- active ester
- loximate
- hcl
- temperature
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
- C07D277/60—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings condensed with carbocyclic rings or ring systems
- C07D277/62—Benzothiazoles
- C07D277/68—Benzothiazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
- C07D277/70—Sulfur atoms
- C07D277/74—Sulfur atoms substituted by carbon atoms
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Thiazole And Isothizaole Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810217397.8A CN108285436B (zh) | 2018-03-16 | 2018-03-16 | 一种ae-活性酯的制备工艺 |
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CN201810217397.8A CN108285436B (zh) | 2018-03-16 | 2018-03-16 | 一种ae-活性酯的制备工艺 |
Publications (2)
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CN108285436A CN108285436A (zh) | 2018-07-17 |
CN108285436B true CN108285436B (zh) | 2020-10-16 |
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CN201810217397.8A Active CN108285436B (zh) | 2018-03-16 | 2018-03-16 | 一种ae-活性酯的制备工艺 |
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CN (1) | CN108285436B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111024847B (zh) * | 2019-12-24 | 2022-03-01 | 河北合佳医药科技集团股份有限公司 | 一种柱前衍生化法测定ae-活性酯纯度的方法 |
CN111559987B (zh) * | 2020-05-29 | 2022-06-10 | 山东金城医药化工有限公司 | Ae-活性酯的合成工艺 |
CN112480026B (zh) * | 2020-12-17 | 2023-04-07 | 山东金城医药化工有限公司 | Ae-活性酯的制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL159170B1 (pl) * | 1987-11-30 | 1992-11-30 | Sposób otrzymywania aktywnych estrów pochodnych kwasu 2-aminotiazol-4-ilo octowego PL PL PL | |
CN101747291A (zh) * | 2009-12-22 | 2010-06-23 | 山东鑫泉医药中间体有限公司 | 一种ae-活性酯的合成方法 |
CN101935325A (zh) * | 2010-09-19 | 2011-01-05 | 海南新中正制药有限公司 | 盐酸头孢吡肟的制备方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL103110A (en) * | 1991-09-10 | 1997-04-15 | Bristol Myers Squibb Co | Anhydrous process for preparing cefepime dihydrochloride hydrate |
US5698703A (en) * | 1991-09-10 | 1997-12-16 | Bristol-Myers Squibb Company | Syn-isomer of thiazolyl intermediate and process for the preparation thereof |
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2018
- 2018-03-16 CN CN201810217397.8A patent/CN108285436B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL159170B1 (pl) * | 1987-11-30 | 1992-11-30 | Sposób otrzymywania aktywnych estrów pochodnych kwasu 2-aminotiazol-4-ilo octowego PL PL PL | |
CN101747291A (zh) * | 2009-12-22 | 2010-06-23 | 山东鑫泉医药中间体有限公司 | 一种ae-活性酯的合成方法 |
CN101935325A (zh) * | 2010-09-19 | 2011-01-05 | 海南新中正制药有限公司 | 盐酸头孢吡肟的制备方法 |
Non-Patent Citations (1)
Title |
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Chimie Des Sucres Sans Groupements Protecteurs - I – Esterification Regioselective De L’Hydroxyle Anomere Du Lactose, Du Maltose Et Du Glucose;Daniel Plusquellec et al.;《Tetrehedron》;19861231;第42卷(第9期);第2457-2467页 * |
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CN108285436A (zh) | 2018-07-17 |
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PB01 | Publication | ||
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Preparation process of AE active ester Effective date of registration: 20220629 Granted publication date: 20201016 Pledgee: China CITIC Bank Co.,Ltd. Shijiazhuang Branch Pledgor: HEBEI HEJIA PHARMATECH GROUP CO.,LTD. Registration number: Y2022130000043 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230831 Granted publication date: 20201016 Pledgee: China CITIC Bank Co.,Ltd. Shijiazhuang Branch Pledgor: HEBEI HEJIA PHARMATECH GROUP CO.,LTD. Registration number: Y2022130000043 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Preparation process of an AE active ester Effective date of registration: 20230904 Granted publication date: 20201016 Pledgee: China CITIC Bank Co.,Ltd. Shijiazhuang Branch Pledgor: HEBEI HEJIA PHARMATECH GROUP CO.,LTD. Registration number: Y2023980055239 |