IT7822980A0 - Particolare estere di cefem,procedimento per prepararlo emetodo per rimuovere dal medesimo il gruppo protettivo. - Google Patents

Particolare estere di cefem,procedimento per prepararlo emetodo per rimuovere dal medesimo il gruppo protettivo.

Info

Publication number
IT7822980A0
IT7822980A0 IT7822980A IT2298078A IT7822980A0 IT 7822980 A0 IT7822980 A0 IT 7822980A0 IT 7822980 A IT7822980 A IT 7822980A IT 2298078 A IT2298078 A IT 2298078A IT 7822980 A0 IT7822980 A0 IT 7822980A0
Authority
IT
Italy
Prior art keywords
cefem
ester
preparing
procedure
protective group
Prior art date
Application number
IT7822980A
Other languages
English (en)
Other versions
IT1096261B (it
Original Assignee
Meiji Seika Kaisha
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 filed Critical Meiji Seika Kaisha
Publication of IT7822980A0 publication Critical patent/IT7822980A0/it
Application granted granted Critical
Publication of IT1096261B publication Critical patent/IT1096261B/it

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)
IT22980/78A 1977-05-04 1978-05-03 Particolare estere di cefem,procedimento per prepararlo e metodo per rimuovere dal medesimo il gruppo protettivo IT1096261B (it)

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 (2)

Publication Number Publication Date
IT7822980A0 true IT7822980A0 (it) 1978-05-03
IT1096261B IT1096261B (it) 1985-08-26

Family

ID=27294045

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22980/78A IT1096261B (it) 1977-05-04 1978-05-03 Particolare estere di cefem,procedimento per prepararlo e metodo per rimuovere dal medesimo il gruppo protettivo

Country Status (5)

Country Link
US (1) US4225706A (it)
DE (1) DE2819511A1 (it)
FR (1) FR2389632B1 (it)
GB (1) GB1594890A (it)
IT (1) IT1096261B (it)

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
JPS5513719B2 (it) * 1972-12-06 1980-04-10
JPS5417030B2 (it) * 1972-12-06 1979-06-27
JPS512477A (en) * 1974-06-25 1976-01-10 Zekoo Kk Ijokeisha shindonokanchisochi

Also Published As

Publication number Publication date
FR2389632B1 (it) 1983-10-07
US4225706A (en) 1980-09-30
IT1096261B (it) 1985-08-26
GB1594890A (en) 1981-08-05
FR2389632A1 (it) 1978-12-01
DE2819511A1 (de) 1978-11-09

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970527