DK221875A - Fremgangsmade til fremstilling af cephalosporinestere - Google Patents

Fremgangsmade til fremstilling af cephalosporinestere

Info

Publication number
DK221875A
DK221875A DK221875A DK221875A DK221875A DK 221875 A DK221875 A DK 221875A DK 221875 A DK221875 A DK 221875A DK 221875 A DK221875 A DK 221875A DK 221875 A DK221875 A DK 221875A
Authority
DK
Denmark
Prior art keywords
cephalosporinesteres
procedure
preparation
Prior art date
Application number
DK221875A
Other languages
Danish (da)
English (en)
Inventor
W J Wheeler
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
Priority claimed from US471527A external-priority patent/US3928333A/en
Priority claimed from US05/471,528 external-priority patent/US3933808A/en
Application filed by Lilly Co Eli filed Critical Lilly Co Eli
Publication of DK221875A publication Critical patent/DK221875A/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
    • C07D501/16—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)
DK221875A 1974-05-20 1975-05-20 Fremgangsmade til fremstilling af cephalosporinestere DK221875A (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US471527A US3928333A (en) 1974-05-20 1974-05-20 Process for the preparation of 3 cephalosporin esters
US05/471,528 US3933808A (en) 1974-05-20 1974-05-20 Cephalosporin esters

Publications (1)

Publication Number Publication Date
DK221875A true DK221875A (da) 1975-11-21

Family

ID=27043469

Family Applications (1)

Application Number Title Priority Date Filing Date
DK221875A DK221875A (da) 1974-05-20 1975-05-20 Fremgangsmade til fremstilling af cephalosporinestere

Country Status (13)

Country Link
AR (1) AR212321A1 (bg)
AT (1) AT340589B (bg)
BG (2) BG25096A3 (bg)
CH (1) CH601314A5 (bg)
CS (1) CS196272B2 (bg)
DD (1) DD120446A5 (bg)
DK (1) DK221875A (bg)
ES (1) ES437809A1 (bg)
HU (1) HU170561B (bg)
PL (1) PL103490B1 (bg)
SE (1) SE421701B (bg)
SU (1) SU731899A3 (bg)
YU (1) YU125575A (bg)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1190897B (it) * 1982-06-29 1988-02-24 Opos Biochimica Srl Procedimento per la preparazione dell'estere 1-etossicarbonilossietilico dell'acido 6-(d(-)-alfa aminoalfa fenilacetamido)-penicillanico
US4606865A (en) * 1982-09-20 1986-08-19 Astra Lakemedel Aktiebolag Methods for the preparation of α-bromodiethylcarbonate

Also Published As

Publication number Publication date
ATA381675A (de) 1977-04-15
BG25228A3 (bg) 1978-08-10
ES437809A1 (es) 1977-04-01
PL103490B1 (pl) 1979-06-30
DD120446A5 (bg) 1976-06-12
HU170561B (bg) 1977-07-28
YU125575A (en) 1982-05-31
AT340589B (de) 1977-12-27
AR212321A1 (es) 1978-06-30
CH601314A5 (en) 1978-07-14
BG25096A3 (bg) 1978-07-12
SE7505741L (sv) 1975-11-21
SE421701B (sv) 1982-01-25
SU731899A3 (ru) 1980-04-30
CS196272B2 (en) 1980-03-31

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