GB8810395D0 - Chemical process - Google Patents
Chemical processInfo
- Publication number
- GB8810395D0 GB8810395D0 GB888810395A GB8810395A GB8810395D0 GB 8810395 D0 GB8810395 D0 GB 8810395D0 GB 888810395 A GB888810395 A GB 888810395A GB 8810395 A GB8810395 A GB 8810395A GB 8810395 D0 GB8810395 D0 GB 8810395D0
- 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.)
- Pending
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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB888810395A GB8810395D0 (en) | 1988-05-03 | 1988-05-03 | Chemical process |
GB8909988A GB2218094A (en) | 1988-05-03 | 1989-05-02 | Cephalosporin S-oxide reduction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB888810395A GB8810395D0 (en) | 1988-05-03 | 1988-05-03 | Chemical process |
Publications (1)
Publication Number | Publication Date |
---|---|
GB8810395D0 true GB8810395D0 (en) | 1988-06-08 |
Family
ID=10636248
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB888810395A Pending GB8810395D0 (en) | 1988-05-03 | 1988-05-03 | Chemical process |
GB8909988A Withdrawn GB2218094A (en) | 1988-05-03 | 1989-05-02 | Cephalosporin S-oxide reduction |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8909988A Withdrawn GB2218094A (en) | 1988-05-03 | 1989-05-02 | Cephalosporin S-oxide reduction |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB8810395D0 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003010170A1 (en) | 2001-07-25 | 2003-02-06 | Lupin Limited | An improved method for preparation of cefuroxime axetil |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1571683A (en) * | 1976-02-16 | 1980-07-16 | Glaxo Operations Ltd | Ester derivatives of cefuroxime |
GB8400024D0 (en) * | 1984-01-03 | 1984-02-08 | Glaxo Group Ltd | Cephalosporin antibiotics |
-
1988
- 1988-05-03 GB GB888810395A patent/GB8810395D0/en active Pending
-
1989
- 1989-05-02 GB GB8909988A patent/GB2218094A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB2218094A (en) | 1989-11-08 |
GB8909988D0 (en) | 1989-06-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB8828616D0 (en) | Chemical process | |
GB8802731D0 (en) | Chemical process | |
EP0327496A3 (en) | Chemical process | |
GB8822236D0 (en) | Chemical process | |
GB8829829D0 (en) | Chemical process | |
ZA899336B (en) | Chemical process | |
GB8810396D0 (en) | Chemical process | |
GB8815424D0 (en) | Chemical process | |
GB8909987D0 (en) | Chemical process | |
GB8904250D0 (en) | Chemical process | |
GB8820830D0 (en) | Chemical process | |
GB8813760D0 (en) | Chemical process | |
GB8810392D0 (en) | Chemical process | |
GB8809836D0 (en) | Chemical process | |
GB8810395D0 (en) | Chemical process | |
GB8909986D0 (en) | Chemical process | |
GB8812951D0 (en) | Chemical process | |
GB8826144D0 (en) | Chemical process | |
GB8825068D0 (en) | Chemical process | |
GB8824241D0 (en) | Chemical process | |
GB8805309D0 (en) | Chemical process | |
GB8811008D0 (en) | Chemical process | |
GB8803013D0 (en) | Chemical process | |
GB8802729D0 (en) | Chemical process | |
GB8824242D0 (en) | Chemical process |