BE819635A - Perfectionnements relatifs aux cephalosporines - Google Patents

Perfectionnements relatifs aux cephalosporines

Info

Publication number
BE819635A
BE819635A BE148286A BE148286A BE819635A BE 819635 A BE819635 A BE 819635A BE 148286 A BE148286 A BE 148286A BE 148286 A BE148286 A BE 148286A BE 819635 A BE819635 A BE 819635A
Authority
BE
Belgium
Prior art keywords
cephalosporins
improvements related
Prior art date
Application number
BE148286A
Other languages
English (en)
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
Application filed filed Critical
Publication of BE819635A publication Critical patent/BE819635A/fr

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
    • C07D501/02—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
    • 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
    • C07D501/57—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with a further substituent in position 7, e.g. cephamycines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)
BE148286A 1973-09-07 1974-09-06 Perfectionnements relatifs aux cephalosporines BE819635A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US39520173A 1973-09-07 1973-09-07

Publications (1)

Publication Number Publication Date
BE819635A true BE819635A (fr) 1975-03-06

Family

ID=23562072

Family Applications (1)

Application Number Title Priority Date Filing Date
BE148286A BE819635A (fr) 1973-09-07 1974-09-06 Perfectionnements relatifs aux cephalosporines

Country Status (14)

Country Link
US (1) US4071682A (fr)
JP (1) JPS5053391A (fr)
AR (1) AR209595A1 (fr)
BE (1) BE819635A (fr)
CA (1) CA1032533A (fr)
DE (1) DE2440142A1 (fr)
DK (1) DK470474A (fr)
FR (1) FR2256170B1 (fr)
GB (1) GB1481710A (fr)
HU (1) HU168867B (fr)
IE (1) IE40926B1 (fr)
NL (1) NL7411784A (fr)
NO (1) NO743221L (fr)
SE (1) SE7411311L (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1366682A (en) * 1971-04-30 1974-09-11 Merck & Co Inc Process to prepare antibiotic intermediates
US4169946A (en) * 1976-12-08 1979-10-02 E. R. Squibb & Sons, Inc. Reactions of thiooxime cephalosporin and penicillin derivatives
US4206305A (en) * 1979-03-12 1980-06-03 Richardson-Merrell Inc. 7-(1,3-Dithiolan-2-imino)cephalosporanic acid derivatives
US4208516A (en) * 1979-03-12 1980-06-17 Richardson-Merrell Inc. 7-(1,3-Dithiolan-2-imino)-Δ2 -cephalosporanic acid derivatives
FR2496666A1 (fr) * 1980-12-22 1982-06-25 Ici Pharma Nouveaux derives de cephalosporine et composition pharmaceutique les contenant
DE69011702T2 (de) * 1989-01-06 1995-04-06 Gist Brocades Nv Derivate von Aminocarboxylsäure.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1366682A (en) * 1971-04-30 1974-09-11 Merck & Co Inc Process to prepare antibiotic intermediates
US3840533A (en) * 1971-08-24 1974-10-08 Squibb & Sons Inc 7-substituted cephalosporanic acid and derivatives thereof
US3954744A (en) * 1972-06-07 1976-05-04 E. R. Squibb & Sons, Inc. 7-Substituted cephalosporanic acid and derivatives thereof
US3954731A (en) * 1972-07-03 1976-05-04 Eli Lilly And Company Process for preparing 6-alkoxypenicillanic and 7-alkoxycephalosporin acids
US3947413A (en) * 1972-11-13 1976-03-30 Merck & Co., Inc. 3-α-Substituted cephalosporins

Also Published As

Publication number Publication date
JPS5053391A (fr) 1975-05-12
SE7411311L (fr) 1975-03-10
AR209595A1 (es) 1977-05-13
US4071682A (en) 1978-01-31
IE40926B1 (en) 1979-09-12
FR2256170B1 (fr) 1980-05-23
IE40926L (en) 1975-03-07
NO743221L (fr) 1975-04-01
NL7411784A (nl) 1975-03-11
AU7192074A (en) 1976-02-05
DE2440142A1 (de) 1975-03-13
GB1481710A (en) 1977-08-03
HU168867B (fr) 1976-07-28
FR2256170A1 (fr) 1975-07-25
CA1032533A (fr) 1978-06-06
DK470474A (fr) 1975-05-05

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