SE7505741L - Forfarande for framstellning av delta3-cefalosporinestrar. - Google Patents

Forfarande for framstellning av delta3-cefalosporinestrar.

Info

Publication number
SE7505741L
SE7505741L SE7505741A SE7505741A SE7505741L SE 7505741 L SE7505741 L SE 7505741L SE 7505741 A SE7505741 A SE 7505741A SE 7505741 A SE7505741 A SE 7505741A SE 7505741 L SE7505741 L SE 7505741L
Authority
SE
Sweden
Prior art keywords
delta3
cephalosporine
stars
procedure
preparation
Prior art date
Application number
SE7505741A
Other languages
English (en)
Other versions
SE421701B (sv
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 SE7505741L publication Critical patent/SE7505741L/sv
Publication of SE421701B publication Critical patent/SE421701B/sv

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)
SE7505741A 1974-05-20 1975-05-20 Forfarande for framstellning av delta?723-cefalosporinestrar SE421701B (sv)

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 (2)

Publication Number Publication Date
SE7505741L true SE7505741L (sv) 1975-11-21
SE421701B SE421701B (sv) 1982-01-25

Family

ID=27043469

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7505741A SE421701B (sv) 1974-05-20 1975-05-20 Forfarande for framstellning av delta?723-cefalosporinestrar

Country Status (13)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4606865A (en) * 1982-09-20 1986-08-19 Astra Lakemedel Aktiebolag Methods for the preparation of α-bromodiethylcarbonate
US4619785A (en) * 1982-06-29 1986-10-28 Astra Lakemedel Aktiebolag Novel synthesis route for bacampicillin

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4619785A (en) * 1982-06-29 1986-10-28 Astra Lakemedel Aktiebolag Novel synthesis route for bacampicillin
US4606865A (en) * 1982-09-20 1986-08-19 Astra Lakemedel Aktiebolag Methods for the preparation of α-bromodiethylcarbonate
US4820857A (en) * 1982-09-20 1989-04-11 Astra Lakemedel Aktiebolag α-bromodiethylcarbonate

Also Published As

Publication number Publication date
ATA381675A (de) 1977-04-15
BG25228A3 (en) 1978-08-10
ES437809A1 (es) 1977-04-01
PL103490B1 (pl) 1979-06-30
DD120446A5 (sv) 1976-06-12
HU170561B (sv) 1977-07-28
YU125575A (en) 1982-05-31
AT340589B (de) 1977-12-27
AR212321A1 (es) 1978-06-30
CH601314A5 (en) 1978-07-14
BG25096A3 (en) 1978-07-12
SE421701B (sv) 1982-01-25
SU731899A3 (ru) 1980-04-30
CS196272B2 (en) 1980-03-31
DK221875A (da) 1975-11-21

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