CH519517A - Process for the preparation of 2-cephem-4-carboxylic acid esters - Google Patents

Process for the preparation of 2-cephem-4-carboxylic acid esters

Info

Publication number
CH519517A
CH519517A CH1194569A CH1194569A CH519517A CH 519517 A CH519517 A CH 519517A CH 1194569 A CH1194569 A CH 1194569A CH 1194569 A CH1194569 A CH 1194569A CH 519517 A CH519517 A CH 519517A
Authority
CH
Switzerland
Prior art keywords
cephem
preparation
carboxylic acid
acid esters
esters
Prior art date
Application number
CH1194569A
Other languages
German (de)
Inventor
Franklin Murphy Charles
Original Assignee
Lilly Co Eli
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 Lilly Co Eli filed Critical Lilly Co Eli
Publication of CH519517A publication Critical patent/CH519517A/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
    • C07D501/60—Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 3 and 4
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/12—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft
    • 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)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cephalosporin Compounds (AREA)
CH1194569A 1968-09-12 1969-08-06 Process for the preparation of 2-cephem-4-carboxylic acid esters CH519517A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75949068A 1968-09-12 1968-09-12

Publications (1)

Publication Number Publication Date
CH519517A true CH519517A (en) 1972-02-29

Family

ID=25055841

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1194569A CH519517A (en) 1968-09-12 1969-08-06 Process for the preparation of 2-cephem-4-carboxylic acid esters

Country Status (10)

Country Link
JP (1) JPS5013276B1 (en)
BE (1) BE737123A (en)
CH (1) CH519517A (en)
DE (1) DE1940081C3 (en)
DK (1) DK139725B (en)
FR (1) FR2017860A1 (en)
GB (1) GB1263343A (en)
IE (1) IE33537B1 (en)
IL (1) IL32545A (en)
NL (1) NL165750C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3849408A (en) * 1971-05-03 1974-11-19 Squibb & Sons Inc 4-substituted-delta2-cephalosporin derivatives
JPS5254972U (en) * 1975-10-18 1977-04-20

Also Published As

Publication number Publication date
IE33537B1 (en) 1974-08-07
FR2017860A1 (en) 1970-05-22
NL165750C (en) 1981-05-15
GB1263343A (en) 1972-02-09
BE737123A (en) 1970-02-06
NL165750B (en) 1980-12-15
JPS5013276B1 (en) 1975-05-19
IE33537L (en) 1970-03-19
DE1940081C3 (en) 1974-05-02
DE1940081A1 (en) 1970-05-06
IL32545A (en) 1974-05-16
IL32545A0 (en) 1969-11-12
DK139725C (en) 1979-09-17
DE1940081B2 (en) 1973-09-27
NL6911731A (en) 1970-03-16
DK139725B (en) 1979-04-02

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Legal Events

Date Code Title Description
PL Patent ceased