SG57891G - Process for the preparation of crystalline ceftazidime pentahydrate - Google Patents
Process for the preparation of crystalline ceftazidime pentahydrateInfo
- Publication number
- SG57891G SG57891G SG578/91A SG57891A SG57891G SG 57891 G SG57891 G SG 57891G SG 578/91 A SG578/91 A SG 578/91A SG 57891 A SG57891 A SG 57891A SG 57891 G SG57891 G SG 57891G
- Authority
- SG
- Singapore
- Prior art keywords
- preparation
- ceftazidime pentahydrate
- optimum
- crystalline
- crystalline ceftazidime
- 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
-
- 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
- C07D501/02—Preparation
- C07D501/12—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US66948284A | 1984-11-08 | 1984-11-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
SG57891G true SG57891G (en) | 1991-08-23 |
Family
ID=24686483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG578/91A SG57891G (en) | 1984-11-08 | 1991-07-17 | Process for the preparation of crystalline ceftazidime pentahydrate |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0187450B1 (de) |
JP (1) | JPH0649703B2 (de) |
AT (1) | ATE60607T1 (de) |
CA (1) | CA1239389A (de) |
DE (1) | DE3581619D1 (de) |
HK (1) | HK62791A (de) |
IE (1) | IE58790B1 (de) |
SG (1) | SG57891G (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4954624A (en) * | 1986-10-07 | 1990-09-04 | Sandoz Ltd. | Process for the production of cephalosporin derivatives |
AT387390B (de) * | 1986-10-07 | 1989-01-10 | Biochemie Gmbh | Verfahren zur herstellung des antibiotikums (6r,7r)-7-(2-(2-amino-4-thiazolyl)-2-(2-carboxy |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4329453A (en) * | 1979-10-02 | 1982-05-11 | Glaxo Group Limited | Cephalosporin antibiotic |
-
1985
- 1985-11-05 EP EP85308016A patent/EP0187450B1/de not_active Expired - Lifetime
- 1985-11-05 DE DE8585308016T patent/DE3581619D1/de not_active Expired - Lifetime
- 1985-11-05 AT AT85308016T patent/ATE60607T1/de not_active IP Right Cessation
- 1985-11-05 CA CA000494634A patent/CA1239389A/en not_active Expired
- 1985-11-06 IE IE276685A patent/IE58790B1/en not_active IP Right Cessation
- 1985-11-07 JP JP60250597A patent/JPH0649703B2/ja not_active Expired - Lifetime
-
1991
- 1991-07-17 SG SG578/91A patent/SG57891G/en unknown
- 1991-08-08 HK HK627/91A patent/HK62791A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA1239389A (en) | 1988-07-19 |
ATE60607T1 (de) | 1991-02-15 |
JPS61115088A (ja) | 1986-06-02 |
EP0187450B1 (de) | 1991-01-30 |
JPH0649703B2 (ja) | 1994-06-29 |
EP0187450A2 (de) | 1986-07-16 |
DE3581619D1 (de) | 1991-03-07 |
IE852766L (en) | 1986-05-08 |
EP0187450A3 (en) | 1987-08-12 |
HK62791A (en) | 1991-08-16 |
IE58790B1 (en) | 1993-11-17 |
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