AT306920B - Process for the preparation of 7β-acylamido-3-methylceph-3-em-4-carboxylic acids or their esters - Google Patents

Process for the preparation of 7β-acylamido-3-methylceph-3-em-4-carboxylic acids or their esters

Info

Publication number
AT306920B
AT306920B AT225270A AT225270A AT306920B AT 306920 B AT306920 B AT 306920B AT 225270 A AT225270 A AT 225270A AT 225270 A AT225270 A AT 225270A AT 306920 B AT306920 B AT 306920B
Authority
AT
Austria
Prior art keywords
methylceph
acylamido
esters
preparation
carboxylic acids
Prior art date
Application number
AT225270A
Other languages
German (de)
Original Assignee
Glaxo Lab 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 Glaxo Lab Ltd filed Critical Glaxo Lab Ltd
Application granted granted Critical
Publication of AT306920B publication Critical patent/AT306920B/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
    • C07D501/02—Preparation
    • C07D501/08—Preparation by forming the ring or condensed ring systems
    • C07D501/10—Preparation by forming the ring or condensed ring systems from compounds containing the penicillin ring system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/54—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one sulfur as the ring hetero atoms, e.g. sulthiame
    • A61K31/542—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one sulfur as the ring hetero atoms, e.g. sulthiame ortho- or peri-condensed with heterocyclic ring systems
    • A61K31/545—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, cefaclor, or cephalexine
    • 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)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Biotechnology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • Molecular Biology (AREA)
  • Medicinal Chemistry (AREA)
  • Cephalosporin Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
AT225270A 1969-03-11 1970-03-10 Process for the preparation of 7β-acylamido-3-methylceph-3-em-4-carboxylic acids or their esters AT306920B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB02865/69A GB1299734A (en) 1969-03-11 1969-03-11 Improvements in or relating to cephalosporin compounds

Publications (1)

Publication Number Publication Date
AT306920B true AT306920B (en) 1973-04-25

Family

ID=10012562

Family Applications (1)

Application Number Title Priority Date Filing Date
AT225270A AT306920B (en) 1969-03-11 1970-03-10 Process for the preparation of 7β-acylamido-3-methylceph-3-em-4-carboxylic acids or their esters

Country Status (15)

Country Link
JP (1) JPS5417751B1 (en)
AT (1) AT306920B (en)
BE (1) BE747118A (en)
BR (1) BR6915236D0 (en)
CH (1) CH537416A (en)
DE (1) DE2011375A1 (en)
ES (1) ES377329A1 (en)
FR (1) FR2037857A5 (en)
GB (1) GB1299734A (en)
HU (1) HU165811B (en)
IE (1) IE34074B1 (en)
NL (1) NL7003357A (en)
SE (1) SE386901B (en)
YU (1) YU36378B (en)
ZA (1) ZA701626B (en)

Also Published As

Publication number Publication date
ZA701626B (en) 1971-10-27
NL7003357A (en) 1970-09-15
BR6915236D0 (en) 1973-02-13
FR2037857A5 (en) 1970-12-31
GB1299734A (en) 1972-12-13
YU58070A (en) 1981-11-13
IE34074L (en) 1970-09-11
ES377329A1 (en) 1972-06-16
CH537416A (en) 1973-05-31
YU36378B (en) 1983-06-30
SE386901B (en) 1976-08-23
HU165811B (en) 1974-11-28
DE2011375A1 (en) 1970-09-24
BE747118A (en) 1970-09-10
JPS5417751B1 (en) 1979-07-02
IE34074B1 (en) 1975-01-22

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee