BG25228A3 - A method of obtaining delta top 3-cephalosporinic esters - Google Patents

A method of obtaining delta top 3-cephalosporinic esters

Info

Publication number
BG25228A3
BG25228A3 BG7500031234A BG3123475A BG25228A3 BG 25228 A3 BG25228 A3 BG 25228A3 BG 7500031234 A BG7500031234 A BG 7500031234A BG 3123475 A BG3123475 A BG 3123475A BG 25228 A3 BG25228 A3 BG 25228A3
Authority
BG
Bulgaria
Prior art keywords
cephalosporinic
esters
obtaining delta
delta
obtaining
Prior art date
Application number
BG7500031234A
Other languages
Bulgarian (bg)
English (en)
Inventor
William 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 BG25228A3 publication Critical patent/BG25228A3/xx

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
BG7500031234A 1974-05-20 1975-05-20 A method of obtaining delta top 3-cephalosporinic esters BG25228A3 (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
BG25228A3 true BG25228A3 (en) 1978-08-10

Family

ID=27043469

Family Applications (2)

Application Number Title Priority Date Filing Date
BG7500030033A BG25096A3 (en) 1974-05-20 1975-05-20 A method of obtaining delta top 3-cephalosporine esters
BG7500031234A BG25228A3 (en) 1974-05-20 1975-05-20 A method of obtaining delta top 3-cephalosporinic esters

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BG7500030033A BG25096A3 (en) 1974-05-20 1975-05-20 A method of obtaining delta top 3-cephalosporine esters

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
SE421701B (sv) 1982-01-25
SU731899A3 (ru) 1980-04-30
CS196272B2 (en) 1980-03-31
DD120446A5 (es) 1976-06-12
ES437809A1 (es) 1977-04-01
AR212321A1 (es) 1978-06-30
DK221875A (da) 1975-11-21
CH601314A5 (en) 1978-07-14

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