DE2534926C2 - Verfahren zur Herstellung von Estern der 7-Oxo- und 7β-Hydroxy-cephalosporansäure und deren 3-substituierten Derivaten - Google Patents

Verfahren zur Herstellung von Estern der 7-Oxo- und 7β-Hydroxy-cephalosporansäure und deren 3-substituierten Derivaten

Info

Publication number
DE2534926C2
DE2534926C2 DE2534926A DE2534926A DE2534926C2 DE 2534926 C2 DE2534926 C2 DE 2534926C2 DE 2534926 A DE2534926 A DE 2534926A DE 2534926 A DE2534926 A DE 2534926A DE 2534926 C2 DE2534926 C2 DE 2534926C2
Authority
DE
Germany
Prior art keywords
acid
esters
group
preparation
derivatives
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
Application number
DE2534926A
Other languages
German (de)
English (en)
Other versions
DE2534926A1 (de
Inventor
Young Sek 02111 Boston Mass. Lo
John Clark Prof. 02173 Lexington Mass. Sheehan
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.)
Massachusetts Institute of Technology
Original Assignee
Massachusetts Institute of Technology
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 Massachusetts Institute of Technology filed Critical Massachusetts Institute of Technology
Publication of DE2534926A1 publication Critical patent/DE2534926A1/de
Application granted granted Critical
Publication of DE2534926C2 publication Critical patent/DE2534926C2/de
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D501/00Heterocyclic 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/55Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)
DE2534926A 1974-08-05 1975-08-05 Verfahren zur Herstellung von Estern der 7-Oxo- und 7β-Hydroxy-cephalosporansäure und deren 3-substituierten Derivaten Expired DE2534926C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/494,507 US4456755A (en) 1974-08-05 1974-08-05 7-Oxygen analogs of cephalosporins

Publications (2)

Publication Number Publication Date
DE2534926A1 DE2534926A1 (de) 1976-02-19
DE2534926C2 true DE2534926C2 (de) 1982-12-30

Family

ID=23964772

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2534926A Expired DE2534926C2 (de) 1974-08-05 1975-08-05 Verfahren zur Herstellung von Estern der 7-Oxo- und 7β-Hydroxy-cephalosporansäure und deren 3-substituierten Derivaten

Country Status (6)

Country Link
US (1) US4456755A (enExample)
JP (1) JPS5141382A (enExample)
CA (1) CA1092096A (enExample)
DE (1) DE2534926C2 (enExample)
FR (1) FR2288744A1 (enExample)
GB (1) GB1521763A (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4020057A (en) * 1975-06-18 1977-04-26 Smithkline Corporation 7β-Acyloxy cephalosporins
JPS5716886A (en) * 1980-07-04 1982-01-28 Fujisawa Pharmaceut Co Ltd Azetidinone bearing oxo group or its salt or hydrate and their preparation
EP0124081A3 (en) * 1983-05-02 1986-11-26 Merck & Co. Inc. New substituted cephalosporin sulfones as antiinflammatory and antidegenerative agents, pharmaceutical compositions containing the same and processes for making them
US5132301A (en) * 1983-05-02 1992-07-21 Merck & Co., Inc. Substituted cephalosporin sulfones as anti-inflammatory and anti-degenerative agents
JPH0256488A (ja) * 1989-07-13 1990-02-26 Fujisawa Pharmaceut Co Ltd オキソ基を有するアゼチジノン化合物もしくはその塩類またはその水化物
GB9011463D0 (en) * 1990-05-22 1990-07-11 Erba Carlo Spa Process for the preparation of 7 alpha-alkoxycephem derivatives
DK1044204T3 (da) * 1997-12-29 2003-09-29 Res Corp Technologies Inc Fremgangsmåde til fremstiling af alfa-oxolactamer
US6407091B1 (en) * 1999-04-15 2002-06-18 Research Corporation Technologies, Inc. β-lactamase inhibiting compounds

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS495993A (enExample) * 1972-05-23 1974-01-19
US3976641A (en) * 1973-11-08 1976-08-24 Smithkline Corporation Cephalosporin intermediates and process therefor
US4020057A (en) * 1975-06-18 1977-04-26 Smithkline Corporation 7β-Acyloxy cephalosporins
JPS5949982A (ja) * 1982-09-16 1984-03-22 Alps Electric Co Ltd 感熱ヘツド

Also Published As

Publication number Publication date
US4456755A (en) 1984-06-26
JPS5141382A (en) 1976-04-07
GB1521763A (en) 1978-08-16
FR2288744A1 (fr) 1976-05-21
CA1092096A (en) 1980-12-23
FR2288744B1 (enExample) 1982-02-05
DE2534926A1 (de) 1976-02-19

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Legal Events

Date Code Title Description
8126 Change of the secondary classification

Ipc: C07D501/04

8181 Inventor (new situation)

Free format text: SHEEHAN, JOHN CLARK, PROF., 02173 LEXINGTON, MASS., US LO, YOUNG SEK, 02111 BOSTON, MASS., US

D2 Grant after examination
8339 Ceased/non-payment of the annual fee