DD120446A5 - - Google Patents

Info

Publication number
DD120446A5
DD120446A5 DD186129A DD18612975A DD120446A5 DD 120446 A5 DD120446 A5 DD 120446A5 DD 186129 A DD186129 A DD 186129A DD 18612975 A DD18612975 A DD 18612975A DD 120446 A5 DD120446 A5 DD 120446A5
Authority
DD
German Democratic Republic
Application number
DD186129A
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 filed Critical
Publication of DD120446A5 publication Critical patent/DD120446A5/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D501/00Heterocyclic 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
    • C07D501/14Compounds having a nitrogen atom directly attached in position 7
    • C07D501/16Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 2 and 3
    • C07D501/207-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids
    • C07D501/247-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
    • C07D501/36Methylene radicals, substituted by sulfur atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D501/00Heterocyclic 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
    • C07D501/02Preparation
    • C07D501/04Preparation 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)
DD186129A 1974-05-20 1975-05-20 DD120446A5 (es)

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
DD120446A5 true DD120446A5 (es) 1976-06-12

Family

ID=27043469

Family Applications (1)

Application Number Title Priority Date Filing Date
DD186129A DD120446A5 (es) 1974-05-20 1975-05-20

Country Status (13)

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

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
BG25096A3 (en) 1978-07-12
HU170561B (es) 1977-07-28
ATA381675A (de) 1977-04-15
SE7505741L (sv) 1975-11-21
YU125575A (en) 1982-05-31
PL103490B1 (pl) 1979-06-30
AT340589B (de) 1977-12-27
BG25228A3 (en) 1978-08-10
SE421701B (sv) 1982-01-25
SU731899A3 (ru) 1980-04-30
CS196272B2 (en) 1980-03-31
ES437809A1 (es) 1977-04-01
AR212321A1 (es) 1978-06-30
DK221875A (da) 1975-11-21
CH601314A5 (en) 1978-07-14

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