CH525241A - Process for the preparation of substituted cephem-4-carboxylic acid esters - Google Patents

Process for the preparation of substituted cephem-4-carboxylic acid esters

Info

Publication number
CH525241A
CH525241A CH1519369A CH1519369A CH525241A CH 525241 A CH525241 A CH 525241A CH 1519369 A CH1519369 A CH 1519369A CH 1519369 A CH1519369 A CH 1519369A CH 525241 A CH525241 A CH 525241A
Authority
CH
Switzerland
Prior art keywords
preparation
carboxylic acid
acid esters
substituted cephem
cephem
Prior art date
Application number
CH1519369A
Other languages
German (de)
Inventor
Ole Godtfredsen Wagn
Torndal Binderup Ernst
Original Assignee
Leo Pharm Prod 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 Leo Pharm Prod Ltd filed Critical Leo Pharm Prod Ltd
Publication of CH525241A publication Critical patent/CH525241A/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/54—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one sulfur as the ring hetero atoms, e.g. sulthiame
    • A61K31/542—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one sulfur as the ring hetero atoms, e.g. sulthiame ortho- or peri-condensed with heterocyclic ring systems
    • A61K31/545—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, cefaclor, or cephalexine
    • 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
    • C07D501/22—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with radicals containing only hydrogen and carbon atoms, attached in position 3

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Cephalosporin Compounds (AREA)
CH1519369A 1968-10-09 1969-10-09 Process for the preparation of substituted cephem-4-carboxylic acid esters CH525241A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4792868 1968-10-09

Publications (1)

Publication Number Publication Date
CH525241A true CH525241A (en) 1972-07-15

Family

ID=10446763

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1519369A CH525241A (en) 1968-10-09 1969-10-09 Process for the preparation of substituted cephem-4-carboxylic acid esters

Country Status (3)

Country Link
CH (1) CH525241A (en)
DE (1) DE1951012A1 (en)
FR (1) FR2020209A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1364672A (en) * 1971-06-09 1974-08-29 Beecham Group Ltd Penicillins
GB1406113A (en) * 1972-10-05 1975-09-17 Leo Pharm Prod Ltd Process for the preparation of cephalosporin estets
PL98296B1 (en) * 1973-02-07 1978-04-29 Politechnika Gdanskapo METHOD OF OBTAINING CEPHALOSPORIN ACETOXYMETHYL ESTRAS
IT1193478B (en) * 1979-06-14 1988-07-08 Ausonia Farma Srl PROCEDURE FOR THE PREPARATION OF 7- (L-AMINO-L-PHENYLACETAMIDE) -3-METHYL-3-CEFEM-4-PIVALOYLOXYSIMETYL CARBOXYLATE
IT1130969B (en) * 1980-03-14 1986-06-18 Dob Far Spa CEFAPIRINE ESTERS, THEIR SALTS AND PROCEDURE FOR THEIR OBTAINMENT
DK0508943T3 (en) * 1991-03-11 1995-01-30 Schweizerhall Saeurefab Process for preparing halogenated carboxylic acid esters
DK0504107T3 (en) * 1991-03-11 1995-02-13 Schweizerhall Saeurefab Process for the preparation of chlorinated carboxylic esters

Also Published As

Publication number Publication date
FR2020209A1 (en) 1970-07-10
DE1951012A1 (en) 1970-04-23

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Legal Events

Date Code Title Description
PL Patent ceased