DK139725B - Process for the preparation of delta2-cephem-4-carboxylic acid esters. - Google Patents

Process for the preparation of delta2-cephem-4-carboxylic acid esters.

Info

Publication number
DK139725B
DK139725B DK421069AA DK421069A DK139725B DK 139725 B DK139725 B DK 139725B DK 421069A A DK421069A A DK 421069AA DK 421069 A DK421069 A DK 421069A DK 139725 B DK139725 B DK 139725B
Authority
DK
Denmark
Prior art keywords
delta2
cephem
preparation
carboxylic acid
acid esters
Prior art date
Application number
DK421069AA
Other languages
Danish (da)
Other versions
DK139725C (en
Inventor
Charles Franklin Murphy
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 DK139725B publication Critical patent/DK139725B/en
Application granted granted Critical
Publication of DK139725C publication Critical patent/DK139725C/da

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)
DK421069AA 1968-09-12 1969-08-05 Process for the preparation of delta2-cephem-4-carboxylic acid esters. DK139725B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
DK139725B true DK139725B (en) 1979-04-02
DK139725C DK139725C (en) 1979-09-17

Family

ID=25055841

Family Applications (1)

Application Number Title Priority Date Filing Date
DK421069AA DK139725B (en) 1968-09-12 1969-08-05 Process for the preparation of delta2-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
CH519517A (en) 1972-02-29
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

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