BE793724A - PROCESS FOR THE PREPARATION OF CEPHALOSPHORINS NOT SUBSTITUTED IN POSITION 3, NEW CEPHALOSPORINS OBTAINED AND THEIR USE - Google Patents

PROCESS FOR THE PREPARATION OF CEPHALOSPHORINS NOT SUBSTITUTED IN POSITION 3, NEW CEPHALOSPORINS OBTAINED AND THEIR USE

Info

Publication number
BE793724A
BE793724A BE793724DA BE793724A BE 793724 A BE793724 A BE 793724A BE 793724D A BE793724D A BE 793724DA BE 793724 A BE793724 A BE 793724A
Authority
BE
Belgium
Prior art keywords
cephalosphorins
substituted
preparation
new cephalosporins
cephalosporins obtained
Prior art date
Application number
Other languages
French (fr)
Inventor
J R E Hoover
Original Assignee
Smith Kline French Lab
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.)
Publication date
Publication of BE793724A publication Critical patent/BE793724A/en

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
    • C07D501/36—Methylene radicals, substituted by sulfur atoms
    • 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
    • C07D501/02—Preparation
    • C07D501/04—Preparation from compounds already containing the ring or condensed ring systems, e.g. by dehydrogenation of the ring, by introduction, elimination or modification of substituents
    • 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)
BE793724D 1972-01-12 PROCESS FOR THE PREPARATION OF CEPHALOSPHORINS NOT SUBSTITUTED IN POSITION 3, NEW CEPHALOSPORINS OBTAINED AND THEIR USE BE793724A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US21728372A 1972-01-12 1972-01-12
US23893272A 1972-03-28 1972-03-28

Publications (1)

Publication Number Publication Date
BE793724A true BE793724A (en) 1973-07-05

Family

ID=26911792

Family Applications (1)

Application Number Title Priority Date Filing Date
BE793724D BE793724A (en) 1972-01-12 PROCESS FOR THE PREPARATION OF CEPHALOSPHORINS NOT SUBSTITUTED IN POSITION 3, NEW CEPHALOSPORINS OBTAINED AND THEIR USE

Country Status (7)

Country Link
JP (1) JPS49108089A (en)
BE (1) BE793724A (en)
CH (1) CH584228A5 (en)
DE (1) DE2301509A1 (en)
FR (1) FR2181658B1 (en)
GB (1) GB1359811A (en)
NL (1) NL7300487A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1192287B (en) * 1977-11-14 1988-03-31 Fujisawa Pharmaceutical Co PHARMACEUTICAL ACTION DERIVATIVES OF CEPHALOSPORANIC ACID AND RELATED PREPARATION PROCEDURE

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL37879A (en) * 1970-10-27 1974-12-31 Ciba Geigy Ag 3-unsubstituted cephalosporin derivatives,process for their manufacture and compositions containing them

Also Published As

Publication number Publication date
FR2181658A1 (en) 1973-12-07
CH584228A5 (en) 1977-01-31
DE2301509A1 (en) 1973-07-19
NL7300487A (en) 1973-07-16
FR2181658B1 (en) 1976-06-25
JPS49108089A (en) 1974-10-14
GB1359811A (en) 1974-07-10

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