GB8909989D0 - Chemical process - Google Patents

Chemical process

Info

Publication number
GB8909989D0
GB8909989D0 GB898909989A GB8909989A GB8909989D0 GB 8909989 D0 GB8909989 D0 GB 8909989D0 GB 898909989 A GB898909989 A GB 898909989A GB 8909989 A GB8909989 A GB 8909989A GB 8909989 D0 GB8909989 D0 GB 8909989D0
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Withdrawn
Application number
GB898909989A
Other versions
GB2218095A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Glaxo Group Ltd
Original Assignee
Glaxo Group Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Glaxo Group Ltd filed Critical Glaxo Group Ltd
Publication of GB8909989D0 publication Critical patent/GB8909989D0/en
Publication of GB2218095A publication Critical patent/GB2218095A/en
Withdrawn legal-status Critical Current

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)
GB8909989A 1988-05-03 1989-05-02 Cepholosporin isomerisation Withdrawn GB2218095A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888810396A GB8810396D0 (en) 1988-05-03 1988-05-03 Chemical process

Publications (2)

Publication Number Publication Date
GB8909989D0 true GB8909989D0 (en) 1989-06-21
GB2218095A GB2218095A (en) 1989-11-08

Family

ID=10636249

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888810396A Pending GB8810396D0 (en) 1988-05-03 1988-05-03 Chemical process
GB8909989A Withdrawn GB2218095A (en) 1988-05-03 1989-05-02 Cepholosporin isomerisation

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB888810396A Pending GB8810396D0 (en) 1988-05-03 1988-05-03 Chemical process

Country Status (1)

Country Link
GB (2) GB8810396D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113402486A (en) * 2021-07-27 2021-09-17 江苏清泉化学股份有限公司 Method for generating (Z) -2-methoxyimino-2-furylacetic acid

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09301965A (en) * 1996-03-15 1997-11-25 Katayama Seiyakushiyo:Kk Production of 5-amiono-1,2,4-thiadiazole acetic acid derivative
AU1261402A (en) 2000-09-14 2002-03-26 Naeja Pharmaceutical Inc 3-(heteroaryl acetamido)-2-oxo-azetidine-1-sulfonic acids derivatives as antibacterial agents
CN109942598A (en) * 2019-04-17 2019-06-28 广东立国制药有限公司 A kind of preparation method of trans- cefuroxime derivative

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8400024D0 (en) * 1984-01-03 1984-02-08 Glaxo Group Ltd Cephalosporin antibiotics

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113402486A (en) * 2021-07-27 2021-09-17 江苏清泉化学股份有限公司 Method for generating (Z) -2-methoxyimino-2-furylacetic acid

Also Published As

Publication number Publication date
GB2218095A (en) 1989-11-08
GB8810396D0 (en) 1988-06-08

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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)