GB8810392D0 - Chemical process - Google Patents

Chemical process

Info

Publication number
GB8810392D0
GB8810392D0 GB888810392A GB8810392A GB8810392D0 GB 8810392 D0 GB8810392 D0 GB 8810392D0 GB 888810392 A GB888810392 A GB 888810392A GB 8810392 A GB8810392 A GB 8810392A GB 8810392 D0 GB8810392 D0 GB 8810392D0
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
Application number
GB888810392A
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
Priority to GB888810392A priority Critical patent/GB8810392D0/en
Publication of GB8810392D0 publication Critical patent/GB8810392D0/en
Priority to GB8909985A priority patent/GB2218091A/en
Pending 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
GB888810392A 1988-05-03 1988-05-03 Chemical process Pending GB8810392D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB888810392A GB8810392D0 (en) 1988-05-03 1988-05-03 Chemical process
GB8909985A GB2218091A (en) 1988-05-03 1989-05-02 Cephalosporin methylation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888810392A GB8810392D0 (en) 1988-05-03 1988-05-03 Chemical process

Publications (1)

Publication Number Publication Date
GB8810392D0 true GB8810392D0 (en) 1988-06-08

Family

ID=10636245

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888810392A Pending GB8810392D0 (en) 1988-05-03 1988-05-03 Chemical process
GB8909985A Withdrawn GB2218091A (en) 1988-05-03 1989-05-02 Cephalosporin methylation

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB8909985A Withdrawn GB2218091A (en) 1988-05-03 1989-05-02 Cephalosporin methylation

Country Status (1)

Country Link
GB (2) GB8810392D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100187959B1 (en) * 1997-03-31 1999-06-01 윤재승 Process of amorphous cefuroxime axetil having lower melting point

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

Also Published As

Publication number Publication date
GB8909985D0 (en) 1989-06-21
GB2218091A (en) 1989-11-08

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