CA1113087A - Process for preparing cephalosporanic acid derivatives - Google Patents

Process for preparing cephalosporanic acid derivatives

Info

Publication number
CA1113087A
CA1113087A CA277,957A CA277957A CA1113087A CA 1113087 A CA1113087 A CA 1113087A CA 277957 A CA277957 A CA 277957A CA 1113087 A CA1113087 A CA 1113087A
Authority
CA
Canada
Prior art keywords
group
acid
iminohalide
reaction
subjecting
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
CA277,957A
Other languages
English (en)
French (fr)
Inventor
Shigeo Seki
Toshinori Saito
Satoru Nakabayashi
Shunzo Fukatsu
Shokichi Nakajima
Toshiyasu Ishimaru
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.)
Meiji Seika Kaisha Ltd
Original Assignee
Meiji Seika Kaisha 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 Meiji Seika Kaisha Ltd filed Critical Meiji Seika Kaisha Ltd
Application granted granted Critical
Publication of CA1113087A publication Critical patent/CA1113087A/en
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
    • C07D501/14Compounds having a nitrogen atom directly attached in position 7
    • C07D501/16Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 2 and 3
    • C07D501/207-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids
    • C07D501/247-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with hydrocarbon radicals, substituted by hetero atoms or hetero rings, attached in position 3
    • C07D501/26Methylene radicals, substituted by oxygen atoms; Lactones thereof with the 2-carboxyl group

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)
CA277,957A 1976-05-19 1977-05-09 Process for preparing cephalosporanic acid derivatives Expired CA1113087A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP56645/76 1976-05-19
JP5664576A JPS52142089A (en) 1976-05-19 1976-05-19 Preparation of cephalosporanic acid derivatives

Publications (1)

Publication Number Publication Date
CA1113087A true CA1113087A (en) 1981-11-24

Family

ID=13033070

Family Applications (1)

Application Number Title Priority Date Filing Date
CA277,957A Expired CA1113087A (en) 1976-05-19 1977-05-09 Process for preparing cephalosporanic acid derivatives

Country Status (5)

Country Link
JP (1) JPS52142089A (cs)
CA (1) CA1113087A (cs)
DE (1) DE2721731C2 (cs)
FR (1) FR2351983A1 (cs)
GB (2) GB1551551A (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53112890A (en) * 1977-03-14 1978-10-02 Meiji Seika Kaisha Ltd Preparation of cephalosporin ester

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE793191A (fr) * 1971-12-28 1973-06-22 Toyama Chemical Co Ltd Procede pour produire des acides 7-acylamido-3-cephem-4- carboxyliques
GB1430238A (en) * 1972-07-10 1976-03-31 Glaxo Lab Ltd Esters

Also Published As

Publication number Publication date
GB1551552A (en) 1979-08-30
JPS6133837B2 (cs) 1986-08-04
DE2721731A1 (de) 1977-12-08
GB1551551A (en) 1979-08-30
FR2351983B1 (cs) 1985-03-15
JPS52142089A (en) 1977-11-26
DE2721731C2 (de) 1982-12-23
FR2351983A1 (fr) 1977-12-16

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Legal Events

Date Code Title Description
MKEX Expiry