CN102161669A - 一种除去头孢替坦二钠中杂质△2-isomer的方法 - Google Patents
一种除去头孢替坦二钠中杂质△2-isomer的方法 Download PDFInfo
- Publication number
- CN102161669A CN102161669A CN2011100413829A CN201110041382A CN102161669A CN 102161669 A CN102161669 A CN 102161669A CN 2011100413829 A CN2011100413829 A CN 2011100413829A CN 201110041382 A CN201110041382 A CN 201110041382A CN 102161669 A CN102161669 A CN 102161669A
- Authority
- CN
- China
- Prior art keywords
- ethyl acetate
- cefotetan disodium
- isomer
- reaction
- cefotetan
- 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.)
- Pending
Links
Landscapes
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011100413829A CN102161669A (zh) | 2011-02-21 | 2011-02-21 | 一种除去头孢替坦二钠中杂质△2-isomer的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011100413829A CN102161669A (zh) | 2011-02-21 | 2011-02-21 | 一种除去头孢替坦二钠中杂质△2-isomer的方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN102161669A true CN102161669A (zh) | 2011-08-24 |
Family
ID=44463157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011100413829A Pending CN102161669A (zh) | 2011-02-21 | 2011-02-21 | 一种除去头孢替坦二钠中杂质△2-isomer的方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102161669A (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103044458A (zh) * | 2012-12-25 | 2013-04-17 | 深圳华润九新药业有限公司 | 头孢替坦二钠纯化方法 |
CN104910192A (zh) * | 2015-05-13 | 2015-09-16 | 中国医药集团总公司四川抗菌素工业研究所 | 一种头孢替坦二钠中杂质的制备与结构确证方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4263432A (en) * | 1977-06-10 | 1981-04-21 | Yamanouchi Pharmaceutical Co., Ltd. | 7α-Methoxy-7β-(1,3-dithietane-2-carboxamido)cephalosporanic acid derivatives |
WO2004011471A1 (en) * | 2002-07-25 | 2004-02-05 | Ranbaxy Laboratories Limited | Process for the preparation of cephem esters |
CN101050219A (zh) * | 2006-04-07 | 2007-10-10 | 上海医药科技发展有限公司 | 头孢替坦二钠的制备方法 |
WO2007122628A1 (en) * | 2006-04-21 | 2007-11-01 | Lupin Limited | Improved process for preparation of highly pure cefotetan disodium |
-
2011
- 2011-02-21 CN CN2011100413829A patent/CN102161669A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4263432A (en) * | 1977-06-10 | 1981-04-21 | Yamanouchi Pharmaceutical Co., Ltd. | 7α-Methoxy-7β-(1,3-dithietane-2-carboxamido)cephalosporanic acid derivatives |
WO2004011471A1 (en) * | 2002-07-25 | 2004-02-05 | Ranbaxy Laboratories Limited | Process for the preparation of cephem esters |
CN101050219A (zh) * | 2006-04-07 | 2007-10-10 | 上海医药科技发展有限公司 | 头孢替坦二钠的制备方法 |
WO2007122628A1 (en) * | 2006-04-21 | 2007-11-01 | Lupin Limited | Improved process for preparation of highly pure cefotetan disodium |
Non-Patent Citations (1)
Title |
---|
MASAHARU FUJIMOTO,等: "Process Development and Pilot-Scale Synthesis of Cefotetan", 《ORG.PRO.RES.DEV.》 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103044458A (zh) * | 2012-12-25 | 2013-04-17 | 深圳华润九新药业有限公司 | 头孢替坦二钠纯化方法 |
CN104910192A (zh) * | 2015-05-13 | 2015-09-16 | 中国医药集团总公司四川抗菌素工业研究所 | 一种头孢替坦二钠中杂质的制备与结构确证方法 |
CN104910192B (zh) * | 2015-05-13 | 2018-09-28 | 中国医药集团总公司四川抗菌素工业研究所 | 一种头孢替坦二钠中杂质的制备与结构确证方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101941969B (zh) | 盐酸莫西沙星的制备方法 | |
WO2009073462A1 (en) | Process for the preparation of 5-cyclopropyl-5, 11-dihydro (1) benzoxepino (3, 4-b) -pyridin-5-ol using tmeda | |
CN105153198B (zh) | 一种头孢布烯的制备方法 | |
CN103435632A (zh) | 一种头孢呋辛酯的制备方法 | |
CN104193765B (zh) | 一种头孢克肟的合成方法 | |
CN102161669A (zh) | 一种除去头孢替坦二钠中杂质△2-isomer的方法 | |
CN105820145B (zh) | 一种5-硝基糠醛及硝呋太尔的制备方法 | |
CN106588740A (zh) | 一种己酸衍生物的制备方法 | |
CN104231044B (zh) | 那西肽过柱纯化工艺 | |
CN103113430B (zh) | 一种硫酸依替米星的制备方法 | |
CN101270074A (zh) | 一种高纯度米格列奈钙的制备方法 | |
CN104072516A (zh) | 一种合成头孢呋辛酸的方法 | |
CN102557980B (zh) | 结晶制备高纯辣椒碱单体的方法 | |
CN105440054B (zh) | 一种制备头孢硫脒的工艺 | |
CN101550146A (zh) | 一种盐酸头孢他美酯化合物及其制法 | |
CN103360412A (zh) | 一种头孢羟氨苄的合成方法 | |
US8871927B2 (en) | Method for purifying Ceftizoxime sodium | |
CN106117244B (zh) | 头孢妥仑匹酯的精制方法 | |
WO2012060675A1 (es) | Proceso para la preparación de rifaximina amorfa | |
CN105175355B (zh) | 一种2-氰基吩噻嗪的制备方法 | |
CN102030693B (zh) | 乙酰半胱氨酸化合物及其新方法 | |
CN104926922A (zh) | 匹多莫德的制备方法 | |
CN102911186A (zh) | 一种头孢唑肟钠的制备及精制方法 | |
US7659398B2 (en) | Imiquimod production process | |
CN103665068B (zh) | 一种1-N-乙基庆大霉素C1a的制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent of invention or patent application | ||
CB02 | Change of applicant information |
Address after: 225441 pagoda Bay, Daqing West Road, Taixing, Jiangsu Applicant after: Jumpcan Pharmaceutical Group Co., Ltd. Address before: 225441 pagoda Bay, Daqing West Road, Taixing, Jiangsu Applicant before: Jiangsu JumpCan Medicines Co., Ltd. |
|
COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: JIANGSU JUMPCAN MEDICINES CO., LTD. TO: JUMPCAN PHARMACEUTICAL GROUP CO., LTD. |
|
CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Address after: 225441 pagoda Bay, Daqing West Road, Taixing, Jiangsu Applicant after: Jumpcan Pharmaceutical Group Co., Ltd. Address before: 225441 pagoda Bay, Daqing West Road, Taixing, Jiangsu Applicant before: Jumpcan Pharmaceutical Group Co., Ltd. |
|
AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20110824 |
|
C20 | Patent right or utility model deemed to be abandoned or is abandoned |