GB1537931A - Thio-beta-lactam penicillins and cephalosporins - Google Patents

Thio-beta-lactam penicillins and cephalosporins

Info

Publication number
GB1537931A
GB1537931A GB642776A GB642776A GB1537931A GB 1537931 A GB1537931 A GB 1537931A GB 642776 A GB642776 A GB 642776A GB 642776 A GB642776 A GB 642776A GB 1537931 A GB1537931 A GB 1537931A
Authority
GB
United Kingdom
Prior art keywords
cephalosporins
thio
beta
lactam penicillins
penicillins
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
GB642776A
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.)
ER Squibb and Sons LLC
Original Assignee
ER Squibb and Sons LLC
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
Priority claimed from US05/551,222 external-priority patent/US3971780A/en
Priority claimed from US05/551,221 external-priority patent/US3971776A/en
Application filed by ER Squibb and Sons LLC filed Critical ER Squibb and Sons LLC
Publication of GB1537931A publication Critical patent/GB1537931A/en
Expired 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
    • C07D501/14—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
    • 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
    • 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
    • C07D501/18—7-Aminocephalosporanic or substituted 7-aminocephalosporanic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)
GB642776A 1975-02-19 1976-02-18 Thio-beta-lactam penicillins and cephalosporins Expired GB1537931A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/551,222 US3971780A (en) 1975-02-19 1975-02-19 Thio-β-lactam cephalosporins
US05/551,221 US3971776A (en) 1975-02-19 1975-02-19 Thio-β-lactam penicillins

Publications (1)

Publication Number Publication Date
GB1537931A true GB1537931A (en) 1979-01-10

Family

ID=27069685

Family Applications (1)

Application Number Title Priority Date Filing Date
GB642776A Expired GB1537931A (en) 1975-02-19 1976-02-18 Thio-beta-lactam penicillins and cephalosporins

Country Status (2)

Country Link
JP (1) JPS51110594A (en)
GB (1) GB1537931A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5852291A (en) * 1981-09-22 1983-03-28 Kureha Chem Ind Co Ltd Penicillin antibiotic derivative and its medicinal preparation

Also Published As

Publication number Publication date
JPS51110594A (en) 1976-09-30

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Legal Events

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