AT388736B - Neue stabile, kristalline formen des ceftazidime-t-butylesters und verfahren zu ihrer herstellung - Google Patents
Neue stabile, kristalline formen des ceftazidime-t-butylesters und verfahren zu ihrer herstellungInfo
- Publication number
- AT388736B AT388736B AT256687A AT256687A AT388736B AT 388736 B AT388736 B AT 388736B AT 256687 A AT256687 A AT 256687A AT 256687 A AT256687 A AT 256687A AT 388736 B AT388736 B AT 388736B
- Authority
- AT
- Austria
- Prior art keywords
- ceftazidime
- preparation
- butyl ester
- crystalline forms
- stable crystalline
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D501/00—Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
- C07D501/14—Compounds having a nitrogen atom directly attached in position 7
- C07D501/16—Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 2 and 3
- C07D501/20—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids
- C07D501/24—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with hydrocarbon radicals, substituted by hetero atoms or hetero rings, attached in position 3
- C07D501/38—Methylene radicals, substituted by nitrogen atoms; Lactams thereof with the 2-carboxyl group; Methylene radicals substituted by nitrogen-containing hetero rings attached by the ring nitrogen atom; Quaternary compounds thereof
- C07D501/46—Methylene radicals, substituted by nitrogen atoms; Lactams thereof with the 2-carboxyl group; Methylene radicals substituted by nitrogen-containing hetero rings attached by the ring nitrogen atom; Quaternary compounds thereof with the 7-amino radical acylated by carboxylic acids containing hetero rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT256687A AT388736B (de) | 1987-10-08 | 1987-10-08 | Neue stabile, kristalline formen des ceftazidime-t-butylesters und verfahren zu ihrer herstellung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT256687A AT388736B (de) | 1987-10-08 | 1987-10-08 | Neue stabile, kristalline formen des ceftazidime-t-butylesters und verfahren zu ihrer herstellung |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA256687A ATA256687A (de) | 1989-01-15 |
AT388736B true AT388736B (de) | 1989-08-25 |
Family
ID=3536571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT256687A AT388736B (de) | 1987-10-08 | 1987-10-08 | Neue stabile, kristalline formen des ceftazidime-t-butylesters und verfahren zu ihrer herstellung |
Country Status (1)
Country | Link |
---|---|
AT (1) | AT388736B (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102391289A (zh) * | 2011-12-03 | 2012-03-28 | 齐鲁安替制药有限公司 | 头孢他啶中间体及头孢他啶的合成方法 |
CN105646541A (zh) * | 2015-12-30 | 2016-06-08 | 中山市金城道勃法制药有限公司 | 一种原研制品质头孢他啶及其药物制剂 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0113568A2 (de) * | 1982-12-27 | 1984-07-18 | Eli Lilly And Company | Zwischenverbindungen für die Herstellung von Ceftazidin und Verfahren zu ihrer Herstellung |
EP0166580A2 (de) * | 1984-06-25 | 1986-01-02 | Eli Lilly And Company | Herstellung von Ceftazidine |
-
1987
- 1987-10-08 AT AT256687A patent/AT388736B/de not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0113568A2 (de) * | 1982-12-27 | 1984-07-18 | Eli Lilly And Company | Zwischenverbindungen für die Herstellung von Ceftazidin und Verfahren zu ihrer Herstellung |
EP0166580A2 (de) * | 1984-06-25 | 1986-01-02 | Eli Lilly And Company | Herstellung von Ceftazidine |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102391289A (zh) * | 2011-12-03 | 2012-03-28 | 齐鲁安替制药有限公司 | 头孢他啶中间体及头孢他啶的合成方法 |
CN102391289B (zh) * | 2011-12-03 | 2013-09-18 | 齐鲁安替制药有限公司 | 头孢他啶中间体及头孢他啶的合成方法 |
CN105646541A (zh) * | 2015-12-30 | 2016-06-08 | 中山市金城道勃法制药有限公司 | 一种原研制品质头孢他啶及其药物制剂 |
Also Published As
Publication number | Publication date |
---|---|
ATA256687A (de) | 1989-01-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |