CA1097653A - Process for the preparation of clavulanic acid esters - Google Patents

Process for the preparation of clavulanic acid esters

Info

Publication number
CA1097653A
CA1097653A CA292,807A CA292807A CA1097653A CA 1097653 A CA1097653 A CA 1097653A CA 292807 A CA292807 A CA 292807A CA 1097653 A CA1097653 A CA 1097653A
Authority
CA
Canada
Prior art keywords
salt
ester
acid
base
methyl
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
CA292,807A
Other languages
English (en)
French (fr)
Inventor
Thomas T. Howarth
John B. Harbridge
Roger J. Ponsford
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.)
Beecham Group PLC
Original Assignee
Beecham Group PLC
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 GB51808/76A external-priority patent/GB1589367A/en
Application filed by Beecham Group PLC filed Critical Beecham Group PLC
Application granted granted Critical
Publication of CA1097653A publication Critical patent/CA1097653A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D503/00—Heterocyclic compounds containing 4-oxa-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. oxapenicillins, clavulanic acid derivatives; 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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Cephalosporin Compounds (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
CA292,807A 1976-12-11 1977-12-09 Process for the preparation of clavulanic acid esters Expired CA1097653A (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
GB51808/76 1976-12-11
GB51808/76A GB1589367A (en) 1976-12-11 1976-12-11 Clavulanic acid ethers
GB11116/77 1977-03-14
GB1111677 1977-03-16
GB3875377 1977-09-16
GB38753/77 1977-09-16

Publications (1)

Publication Number Publication Date
CA1097653A true CA1097653A (en) 1981-03-17

Family

ID=27256638

Family Applications (1)

Application Number Title Priority Date Filing Date
CA292,807A Expired CA1097653A (en) 1976-12-11 1977-12-09 Process for the preparation of clavulanic acid esters

Country Status (14)

Country Link
JP (1) JPS5377090A (es)
AR (1) AR216117A1 (es)
AT (1) AT356269B (es)
CA (1) CA1097653A (es)
CH (1) CH636880A5 (es)
DE (1) DE2754763A1 (es)
ES (1) ES464941A1 (es)
FR (1) FR2373545A1 (es)
GR (1) GR64001B (es)
IE (1) IE46436B1 (es)
IL (1) IL53465A (es)
MX (1) MX4846E (es)
NL (1) NL7713644A (es)
NZ (1) NZ185849A (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2862254D1 (en) * 1977-12-02 1983-06-16 Beecham Group Plc A process for the preparation of ether derivatives of clavulanic acid
DE3062347D1 (en) * 1979-08-11 1983-04-21 Beecham Group Plc Process for the preparation of derivatives of clavulanic acid

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1573503A (en) * 1975-12-17 1980-08-28 Glaxo Lab Ltd Clavulanic acid derivatives

Also Published As

Publication number Publication date
AR216117A1 (es) 1979-11-30
NL7713644A (nl) 1978-06-13
ES464941A1 (es) 1979-12-16
ATA881677A (de) 1979-09-15
CH636880A5 (en) 1983-06-30
MX4846E (es) 1982-10-28
GR64001B (en) 1980-01-18
IE772501L (en) 1978-06-11
AT356269B (de) 1980-04-25
FR2373545A1 (fr) 1978-07-07
FR2373545B1 (es) 1982-04-16
NZ185849A (en) 1980-11-28
IL53465A (en) 1980-11-30
IL53465A0 (en) 1978-01-31
JPS5377090A (en) 1978-07-08
DE2754763A1 (de) 1978-06-15
IE46436B1 (en) 1983-06-15

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Legal Events

Date Code Title Description
MKEX Expiry