DE2721731C2 - Verfahren zur Herstellung eines N-geschützten Cephalosporin-C-Diesters - Google Patents

Verfahren zur Herstellung eines N-geschützten Cephalosporin-C-Diesters

Info

Publication number
DE2721731C2
DE2721731C2 DE19772721731 DE2721731A DE2721731C2 DE 2721731 C2 DE2721731 C2 DE 2721731C2 DE 19772721731 DE19772721731 DE 19772721731 DE 2721731 A DE2721731 A DE 2721731A DE 2721731 C2 DE2721731 C2 DE 2721731C2
Authority
DE
Germany
Prior art keywords
group
cephalosporin
ester
diester
preparation
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
DE19772721731
Other languages
German (de)
English (en)
Other versions
DE2721731A1 (de
Inventor
Shunzo Tokyo Fukatsu
Toshiyasu Suita Osaka Ishimaru
Satoru Nakabayashi
Shokichi Yokohama Kanagawa Nakajima
Toshinori Yokohama Kanagawa Saito
Shigeo Tokyo Seki
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
Publication of DE2721731A1 publication Critical patent/DE2721731A1/de
Application granted granted Critical
Publication of DE2721731C2 publication Critical patent/DE2721731C2/de
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
    • C07D501/24—7-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
    • C07D501/26—Methylene radicals, substituted by oxygen atoms; Lactones thereof with the 2-carboxyl group

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)
DE19772721731 1976-05-19 1977-05-13 Verfahren zur Herstellung eines N-geschützten Cephalosporin-C-Diesters Expired DE2721731C2 (de)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
DE2721731A1 DE2721731A1 (de) 1977-12-08
DE2721731C2 true DE2721731C2 (de) 1982-12-23

Family

ID=13033070

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772721731 Expired DE2721731C2 (de) 1976-05-19 1977-05-13 Verfahren zur Herstellung eines N-geschützten Cephalosporin-C-Diesters

Country Status (5)

Country Link
JP (1) JPS52142089A (cs)
CA (1) CA1113087A (cs)
DE (1) DE2721731C2 (cs)
FR (1) FR2351983A1 (cs)
GB (2) GB1551552A (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
JPS52142089A (en) 1977-11-26
GB1551551A (en) 1979-08-30
GB1551552A (en) 1979-08-30
DE2721731A1 (de) 1977-12-08
FR2351983B1 (cs) 1985-03-15
CA1113087A (en) 1981-11-24
JPS6133837B2 (cs) 1986-08-04
FR2351983A1 (fr) 1977-12-16

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Legal Events

Date Code Title Description
OD Request for examination
D2 Grant after examination
8339 Ceased/non-payment of the annual fee