GB1594890A - Ester of cephem compound process for preparing thesame and method for removing the protective group of the same - Google Patents

Ester of cephem compound process for preparing thesame and method for removing the protective group of the same Download PDF

Info

Publication number
GB1594890A
GB1594890A GB16454/78A GB1645478A GB1594890A GB 1594890 A GB1594890 A GB 1594890A GB 16454/78 A GB16454/78 A GB 16454/78A GB 1645478 A GB1645478 A GB 1645478A GB 1594890 A GB1594890 A GB 1594890A
Authority
GB
United Kingdom
Prior art keywords
group
ester
chloride
lal
cephem
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
GB16454/78A
Other languages
English (en)
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
Priority claimed from JP5068877A external-priority patent/JPS53137986A/ja
Priority claimed from JP5068977A external-priority patent/JPS53137987A/ja
Priority claimed from JP10356277A external-priority patent/JPS5448782A/ja
Application filed by Meiji Seika Kaisha Ltd filed Critical Meiji Seika Kaisha Ltd
Publication of GB1594890A publication Critical patent/GB1594890A/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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)
GB16454/78A 1977-05-04 1978-04-26 Ester of cephem compound process for preparing thesame and method for removing the protective group of the same Expired GB1594890A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP5068877A JPS53137986A (en) 1977-05-04 1977-05-04 Novel esters of cephem compounds and process for their preparation
JP5068977A JPS53137987A (en) 1977-05-04 1977-05-04 Esters of cephem compounds and process for their preparation
JP10356277A JPS5448782A (en) 1977-08-31 1977-08-31 Deesterification of cephem compound ester

Publications (1)

Publication Number Publication Date
GB1594890A true GB1594890A (en) 1981-08-05

Family

ID=27294045

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16454/78A Expired GB1594890A (en) 1977-05-04 1978-04-26 Ester of cephem compound process for preparing thesame and method for removing the protective group of the same

Country Status (5)

Country Link
US (1) US4225706A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2819511A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2389632B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1594890A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1096261B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3585154D1 (de) * 1984-11-15 1992-02-20 Hoffmann La Roche Verfahren zur herstellung von cephalosporinestern.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE784800A (fr) * 1971-06-15 1972-10-02 Yamanouchi Pharma Co Ltd Procede de preparation de nouveaux derives esters oxymethyliques de la penicilline et de la cephalosporine
JPS5417030B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-12-06 1979-06-27
JPS5513719B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-12-06 1980-04-10
JPS512477A (en) * 1974-06-25 1976-01-10 Zekoo Kk Ijokeisha shindonokanchisochi

Also Published As

Publication number Publication date
IT1096261B (it) 1985-08-26
US4225706A (en) 1980-09-30
FR2389632A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1978-12-01
IT7822980A0 (it) 1978-05-03
DE2819511A1 (de) 1978-11-09
FR2389632B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1983-10-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19980425