CS196272B2 - Method of producing delta up 3-cephalosporin esters - Google Patents

Method of producing delta up 3-cephalosporin esters Download PDF

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Publication number
CS196272B2
CS196272B2 CS753481A CS348175A CS196272B2 CS 196272 B2 CS196272 B2 CS 196272B2 CS 753481 A CS753481 A CS 753481A CS 348175 A CS348175 A CS 348175A CS 196272 B2 CS196272 B2 CS 196272B2
Authority
CS
Czechoslovakia
Prior art keywords
methyl
acid
carboxylic acid
cephem
base
Prior art date
Application number
CS753481A
Other languages
Czech (cs)
English (en)
Inventor
William 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 US05/471,528 external-priority patent/US3933808A/en
Priority claimed from US471527A external-priority patent/US3928333A/en
Application filed by Lilly Co Eli filed Critical Lilly Co Eli
Publication of CS196272B2 publication Critical patent/CS196272B2/cs

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)
CS753481A 1974-05-20 1975-05-19 Method of producing delta up 3-cephalosporin esters CS196272B2 (en)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
CS196272B2 true CS196272B2 (en) 1980-03-31

Family

ID=27043469

Family Applications (1)

Application Number Title Priority Date Filing Date
CS753481A CS196272B2 (en) 1974-05-20 1975-05-19 Method of producing delta up 3-cephalosporin esters

Country Status (13)

Country Link
AR (1) AR212321A1 (xx)
AT (1) AT340589B (xx)
BG (2) BG25228A3 (xx)
CH (1) CH601314A5 (xx)
CS (1) CS196272B2 (xx)
DD (1) DD120446A5 (xx)
DK (1) DK221875A (xx)
ES (1) ES437809A1 (xx)
HU (1) HU170561B (xx)
PL (1) PL103490B1 (xx)
SE (1) SE421701B (xx)
SU (1) SU731899A3 (xx)
YU (1) YU125575A (xx)

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
HU170561B (xx) 1977-07-28
SU731899A3 (ru) 1980-04-30
SE7505741L (sv) 1975-11-21
DK221875A (da) 1975-11-21
CH601314A5 (en) 1978-07-14
DD120446A5 (xx) 1976-06-12
AT340589B (de) 1977-12-27
ES437809A1 (es) 1977-04-01
BG25096A3 (en) 1978-07-12
AR212321A1 (es) 1978-06-30
ATA381675A (de) 1977-04-15
SE421701B (sv) 1982-01-25
PL103490B1 (pl) 1979-06-30
YU125575A (en) 1982-05-31
BG25228A3 (en) 1978-08-10

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