GB1531586A - Cephalosporanic acid derivatives and their preparation - Google Patents

Cephalosporanic acid derivatives and their preparation

Info

Publication number
GB1531586A
GB1531586A GB4637876A GB4637876A GB1531586A GB 1531586 A GB1531586 A GB 1531586A GB 4637876 A GB4637876 A GB 4637876A GB 4637876 A GB4637876 A GB 4637876A GB 1531586 A GB1531586 A GB 1531586A
Authority
GB
United Kingdom
Prior art keywords
preparation
acid derivatives
cephalosporanic acid
cephalosporanic
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
GB4637876A
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.)
Teijin Ltd
Original Assignee
Teijin 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 Teijin Ltd filed Critical Teijin Ltd
Priority to GB4637876A priority Critical patent/GB1531586A/en
Publication of GB1531586A publication Critical patent/GB1531586A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D499/00—Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
GB4637876A 1976-11-08 1976-11-08 Cephalosporanic acid derivatives and their preparation Expired GB1531586A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4637876A GB1531586A (en) 1976-11-08 1976-11-08 Cephalosporanic acid derivatives and their preparation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4637876A GB1531586A (en) 1976-11-08 1976-11-08 Cephalosporanic acid derivatives and their preparation

Publications (1)

Publication Number Publication Date
GB1531586A true GB1531586A (en) 1978-11-08

Family

ID=10441012

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4637876A Expired GB1531586A (en) 1976-11-08 1976-11-08 Cephalosporanic acid derivatives and their preparation

Country Status (1)

Country Link
GB (1) GB1531586A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2262281A (en) * 1991-12-11 1993-06-16 Erba Carlo Spa Synthesis of 3-exomethylene-cephams

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2262281A (en) * 1991-12-11 1993-06-16 Erba Carlo Spa Synthesis of 3-exomethylene-cephams
GB2262281B (en) * 1991-12-11 1995-10-25 Erba Carlo Spa Process for the synthesis of cephams

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee