CN100507000C - 制备头孢拉定的方法 - Google Patents
制备头孢拉定的方法 Download PDFInfo
- Publication number
- CN100507000C CN100507000C CNB2004800183948A CN200480018394A CN100507000C CN 100507000 C CN100507000 C CN 100507000C CN B2004800183948 A CNB2004800183948 A CN B2004800183948A CN 200480018394 A CN200480018394 A CN 200480018394A CN 100507000 C CN100507000 C CN 100507000C
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- CN
- China
- Prior art keywords
- cephradine
- adca
- reaction mixture
- enzyme
- dha
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Abstract
Description
反应条件 | 野生型PenG酰基转移酶 | 经突变的PenG酰基转移酶Phe-24-Ala |
野生型/突变体 | 实施例1 | 实施例2 |
T=10/7℃pH=7.2-7.8/8.0-8.2 | 7-ADCA转化率74%DHMe转化率73%S/H:5.5[DH]=0.84% | 7-ADCA转化率85%DHMe转化率89%S/H:15.5[DH]=0.27% |
对照实验A | 实施例3 | |
T=20℃pH=6.9 | 7-ADCA转化率68%DHMe转化率68%S/H:1.8[DH]=2.97% | 7-ADCA转化率98.4%DHMe转化率95.6%S/H:13.8[DH]=0.56% |
通过酶制备的头孢拉定 | 通过化学方法制备的头孢拉定 | |
周 | 结晶温度T=52℃ | 结晶温度T=55℃ |
0246 | 0.0250.0430.058 | 0.0280.0650.0770.161 |
81012 | 0.0960.148 | 0.1420.211 |
实验编号 | 结晶温度(℃) | t=0时的A<sub>450</sub> | 胁迫稳定性试验后的A<sub>450</sub>(3小时,100℃) |
4 | 65 | 0.051 | 0.301 |
5 | 50 | 0.018 | 0.056 |
6 | 30 | 0.021 | 0.291 |
7 | 20 | 0.017 | 0.330 |
Claims (24)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03077102 | 2003-07-03 | ||
EP03077102.6 | 2003-07-03 | ||
EP03104445.6 | 2003-11-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1813069A CN1813069A (zh) | 2006-08-02 |
CN100507000C true CN100507000C (zh) | 2009-07-01 |
Family
ID=34923958
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNB2004800183948A Active CN100507000C (zh) | 2003-07-03 | 2004-07-01 | 制备头孢拉定的方法 |
Country Status (1)
Country | Link |
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CN (1) | CN100507000C (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8541199B2 (en) * | 2008-12-23 | 2013-09-24 | Dsm Sinochem Pharmaceuticals Netherlands B.V. | Mutant penicillin G acylases |
EP2513327B1 (en) * | 2009-12-14 | 2016-06-29 | DSM Sinochem Pharmaceuticals Netherlands B.V. | Production process for cephradine |
CN105713011B (zh) * | 2016-04-11 | 2018-07-10 | 广东金城金素制药有限公司 | 一种原研制品质头孢拉定的制备方法及组合物 |
CN109134500A (zh) * | 2017-07-19 | 2019-01-04 | 郝志艳 | 一种1/2水头孢拉定化合物 |
CN109134501A (zh) * | 2017-07-24 | 2019-01-04 | 赵建宇 | 一种1/5水头孢拉定化合物及其药物组合物制剂 |
CN112321608A (zh) * | 2020-11-19 | 2021-02-05 | 河北载和新材料科技有限公司 | 一种通过微反应器制备头孢拉定的工艺方法 |
CN115508464A (zh) * | 2022-06-16 | 2022-12-23 | 华北制药股份有限公司 | 一种头孢拉定合成酶活性的分析方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4073687A (en) * | 1975-05-14 | 1978-02-14 | Shionogi & Co., Ltd. | Enzymatic acylation to afford β-lactam antibiotics |
CN1190990C (zh) * | 2001-01-19 | 2005-02-23 | 松下电器产业株式会社 | 基站设备和无线发送方法 |
-
2004
- 2004-07-01 CN CNB2004800183948A patent/CN100507000C/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4073687A (en) * | 1975-05-14 | 1978-02-14 | Shionogi & Co., Ltd. | Enzymatic acylation to afford β-lactam antibiotics |
CN1190990C (zh) * | 2001-01-19 | 2005-02-23 | 松下电器产业株式会社 | 基站设备和无线发送方法 |
Also Published As
Publication number | Publication date |
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CN1813069A (zh) | 2006-08-02 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: DSM Zibo Pharmaceutical Co.,Ltd. Assignor: DSM IP ASSETS B.V. Contract record no.: 2011990001128 Denomination of invention: Cefradine crystal and method for preparing cefradine Granted publication date: 20090701 License type: Exclusive License Open date: 20060802 Record date: 20111228 |
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ASS | Succession or assignment of patent right |
Owner name: NETHERLANDS COMPANY OF DSM SINOCHEM PHARMACEUTICAL Free format text: FORMER OWNER: DSM IP ASSETS BV Effective date: 20120329 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20120329 Address after: About Holland Patentee after: DSM SINOCHEM PHARMACEUTICALS NETHERLANDS B.V. Address before: Holland Heerlen Patentee before: DSM IP ASSETS B.V. |
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CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: About Holland Patentee after: DSM Sinochem Pharmaceuticals Netherlands B.V. Address before: About Holland Patentee before: DSM SINOCHEM PHARMACEUTICALS NETHERLANDS B.V. |