GB8909986D0 - Chemical process - Google Patents
Chemical processInfo
- Publication number
- GB8909986D0 GB8909986D0 GB898909986A GB8909986A GB8909986D0 GB 8909986 D0 GB8909986 D0 GB 8909986D0 GB 898909986 A GB898909986 A GB 898909986A GB 8909986 A GB8909986 A GB 8909986A GB 8909986 D0 GB8909986 D0 GB 8909986D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- chemical process
- chemical
- 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.)
- Withdrawn
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
- C07D501/02—Preparation
- C07D501/04—Preparation from compounds already containing the ring or condensed ring systems, e.g. by dehydrogenation of the ring, by introduction, elimination or modification of substituents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/04—Antibacterial agents
-
- 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
- C07D501/26—Methylene radicals, substituted by oxygen atoms; Lactones thereof with the 2-carboxyl group
- C07D501/34—Methylene radicals, substituted by oxygen atoms; Lactones thereof with the 2-carboxyl group with the 7-amino radical acylated by carboxylic acids containing hetero rings
-
- 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
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB888810393A GB8810393D0 (en) | 1988-05-03 | 1988-05-03 | Chemical process |
Publications (2)
Publication Number | Publication Date |
---|---|
GB8909986D0 true GB8909986D0 (en) | 1989-06-21 |
GB2218092A GB2218092A (en) | 1989-11-08 |
Family
ID=10636246
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB888810393A Pending GB8810393D0 (en) | 1988-05-03 | 1988-05-03 | Chemical process |
GB8909986A Withdrawn GB2218092A (en) | 1988-05-03 | 1989-05-02 | Process introducing an O-methyl oxime group into a cephalosporin |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB888810393A Pending GB8810393D0 (en) | 1988-05-03 | 1988-05-03 | Chemical process |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPH0256489A (en) |
KR (1) | KR970001530B1 (en) |
CH (1) | CH678624A5 (en) |
DE (1) | DE3914672A1 (en) |
FR (1) | FR2631032A1 (en) |
GB (2) | GB8810393D0 (en) |
IT (1) | IT1232829B (en) |
NL (1) | NL8901110A (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1208014A (en) * | 1967-03-23 | 1970-10-07 | Glaxo Lab Ltd | Cephalosporins |
GB1208015A (en) * | 1967-03-23 | 1970-10-07 | Glaxo Lab Ltd | Cephalosporins |
CA1094545A (en) * | 1976-02-16 | 1981-01-27 | Michael Gregson | Cephalosporin antibiotics |
GB8400024D0 (en) * | 1984-01-03 | 1984-02-08 | Glaxo Group Ltd | Cephalosporin antibiotics |
-
1988
- 1988-05-03 GB GB888810393A patent/GB8810393D0/en active Pending
-
1989
- 1989-05-02 JP JP1112311A patent/JPH0256489A/en active Pending
- 1989-05-02 NL NL8901110A patent/NL8901110A/en not_active Application Discontinuation
- 1989-05-02 IT IT8947903A patent/IT1232829B/en active
- 1989-05-02 KR KR1019890005922A patent/KR970001530B1/en not_active IP Right Cessation
- 1989-05-02 CH CH1660/89A patent/CH678624A5/de not_active IP Right Cessation
- 1989-05-02 GB GB8909986A patent/GB2218092A/en not_active Withdrawn
- 1989-05-03 DE DE3914672A patent/DE3914672A1/en not_active Withdrawn
- 1989-05-03 FR FR8905906A patent/FR2631032A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB8810393D0 (en) | 1988-06-08 |
IT8947903A0 (en) | 1989-05-02 |
CH678624A5 (en) | 1991-10-15 |
FR2631032A1 (en) | 1989-11-10 |
NL8901110A (en) | 1989-12-01 |
DE3914672A1 (en) | 1989-11-16 |
JPH0256489A (en) | 1990-02-26 |
GB2218092A (en) | 1989-11-08 |
KR970001530B1 (en) | 1997-02-11 |
IT1232829B (en) | 1992-03-05 |
KR890017255A (en) | 1989-12-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |