DK138745C - - Google Patents

Info

Publication number
DK138745C
DK138745C DK408573A DK408573A DK138745C DK 138745 C DK138745 C DK 138745C DK 408573 A DK408573 A DK 408573A DK 408573 A DK408573 A DK 408573A DK 138745 C DK138745 C DK 138745C
Authority
DK
Denmark
Application number
DK408573A
Other languages
Danish (da)
Other versions
DK138745B (da
Inventor
T Naito
J Okumura
H Hoshi
Original Assignee
Bristol-Myers Co
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 Bristol-Myers Co filed Critical Bristol-Myers Co
Priority to DK13074A priority Critical patent/DK142419B/da
Publication of DK138745B publication Critical patent/DK138745B/da
Priority to DK6479A priority patent/DK143136C/da
Application granted granted Critical
Publication of DK138745C publication Critical patent/DK138745C/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D499/00—Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Cephalosporin Compounds (AREA)
DK408573AA 1972-07-26 1973-07-24 Fremgangsmåde til fremstilling af cephalexin eller salte deraf. DK138745B (da)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DK13074A DK142419B (da) 1972-07-26 1974-01-10 N-nitrosohetacillinsulfoxidester til anvendelse som mellemprodukt til fremstilling af cephalexin.
DK6479A DK143136C (da) 1972-07-26 1979-01-05 N-nitrosohetacephalexinester til anvendelse som mellemprodukttil fremstilling af cephalexin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27539972A 1972-07-26 1972-07-26

Publications (2)

Publication Number Publication Date
DK138745B DK138745B (da) 1978-10-23
DK138745C true DK138745C (ja) 1979-04-02

Family

ID=23052127

Family Applications (1)

Application Number Title Priority Date Filing Date
DK408573AA DK138745B (da) 1972-07-26 1973-07-24 Fremgangsmåde til fremstilling af cephalexin eller salte deraf.

Country Status (2)

Country Link
US (1) US3780028A (ja)
DK (1) DK138745B (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4203897A (en) * 1972-10-20 1980-05-20 Fujisawa Pharmaceutical Company, Limited Penam derivatives
US4218374A (en) * 1972-10-20 1980-08-19 Fujisawa Pharmaceutical Company, Limited Penam derivatives
JPS4988892A (ja) * 1972-12-28 1974-08-24
US4113940A (en) * 1973-03-15 1978-09-12 Fujisawa Pharmaceutical Co., Ltd. 7-amino 2-lower alkyl-2 or 3-cephem-4-carboxylic acid derivatives and processes for preparation thereof
ES2010075A6 (es) * 1989-01-10 1989-10-16 Antibioticos Sa Un procedimiento para la preparacion de compuestos de 3-cloro-cefem.
US6605707B1 (en) 2000-03-23 2003-08-12 Abbott Laboratories Process for the preparation of 6-O-propargyl erythromycin derivatives

Also Published As

Publication number Publication date
DK138745B (da) 1978-10-23
US3780028A (en) 1973-12-18

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Legal Events

Date Code Title Description
PBP Patent lapsed