GB1295841A - - Google Patents
Info
- Publication number
- GB1295841A GB1295841A GB1295841DA GB1295841A GB 1295841 A GB1295841 A GB 1295841A GB 1295841D A GB1295841D A GB 1295841DA GB 1295841 A GB1295841 A GB 1295841A
- Authority
- GB
- United Kingdom
- Prior art keywords
- thiadiazolyl
- tetrazolyl
- prepared
- thiol
- esters
- 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.)
- Expired
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
- C07D501/36—Methylene radicals, substituted by sulfur atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5261669 | 1969-10-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1295841A true GB1295841A (fr) | 1972-11-08 |
Family
ID=10464610
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1295841D Expired GB1295841A (fr) | 1969-10-27 | 1969-10-27 |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1295841A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50142587A (fr) * | 1974-04-26 | 1975-11-17 | ||
US6642020B2 (en) | 2001-04-19 | 2003-11-04 | Bioferma Murcia S.A. | Process for preparing cephalosporin derivatives |
-
1969
- 1969-10-27 GB GB1295841D patent/GB1295841A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50142587A (fr) * | 1974-04-26 | 1975-11-17 | ||
JPS595596B2 (ja) * | 1974-04-26 | 1984-02-06 | 藤沢薬品工業株式会社 | 7− チカン −3−n ガンユウフクソカンチオメチル −3− セフエム −4− カルボンサンユウドウタイ ノ セイゾウホウ |
US6642020B2 (en) | 2001-04-19 | 2003-11-04 | Bioferma Murcia S.A. | Process for preparing cephalosporin derivatives |
US6730497B2 (en) | 2001-04-19 | 2004-05-04 | Bioferma Murcia S.A. | Process for preparing cephalosporanic acid derivatives using β-ketoacid derivatives |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PE20 | Patent expired after termination of 20 years |