DE2651509C2 - Verfahren zur Herstellung von 3-Cephemverbindungen - Google Patents

Verfahren zur Herstellung von 3-Cephemverbindungen

Info

Publication number
DE2651509C2
DE2651509C2 DE2651509A DE2651509A DE2651509C2 DE 2651509 C2 DE2651509 C2 DE 2651509C2 DE 2651509 A DE2651509 A DE 2651509A DE 2651509 A DE2651509 A DE 2651509A DE 2651509 C2 DE2651509 C2 DE 2651509C2
Authority
DE
Germany
Prior art keywords
group
cephem
methyl
compounds
carboxylate
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE2651509A
Other languages
German (de)
English (en)
Other versions
DE2651509A1 (de
Inventor
Yoshio Kyoto Hamashima
Wataru Nishinomiya Hyogo Nagata
Masayuki Ibaraki Osaka Narisada
Kyo Osaka Okada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shionogi and Co Ltd
Original Assignee
Shionogi and Co Ltd
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 by Shionogi and Co Ltd filed Critical Shionogi and Co Ltd
Publication of DE2651509A1 publication Critical patent/DE2651509A1/de
Application granted granted Critical
Publication of DE2651509C2 publication Critical patent/DE2651509C2/de
Expired legal-status Critical Current

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
    • C07D501/02Preparation
    • 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)
DE2651509A 1975-11-11 1976-11-11 Verfahren zur Herstellung von 3-Cephemverbindungen Expired DE2651509C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50135385A JPS5259186A (en) 1975-11-11 1975-11-11 Preparation of 3-cephem compounds by reduction

Publications (2)

Publication Number Publication Date
DE2651509A1 DE2651509A1 (de) 1977-05-18
DE2651509C2 true DE2651509C2 (de) 1986-07-17

Family

ID=15150459

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2651509A Expired DE2651509C2 (de) 1975-11-11 1976-11-11 Verfahren zur Herstellung von 3-Cephemverbindungen

Country Status (7)

Country Link
US (1) US4081595A (enExample)
JP (1) JPS5259186A (enExample)
CA (1) CA1069119A (enExample)
CH (1) CH606005A5 (enExample)
DE (1) DE2651509C2 (enExample)
FR (1) FR2331564A1 (enExample)
GB (1) GB1529598A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS543087A (en) * 1977-06-03 1979-01-11 Fujisawa Pharmaceut Co Ltd Preparation of cephalosporin compound
US4402803A (en) * 1981-09-14 1983-09-06 Eli Lilly And Company Process for 3-hydrogen cephems
JPH101482A (ja) * 1996-06-13 1998-01-06 Otsuka Chem Co Ltd 3−ノルセフェム化合物の製造法
WO2014069649A1 (en) * 2012-10-29 2014-05-08 Shionogi & Co., Ltd. Processes for production of intermediates for 2-alkyl cephem compounds
CN105315299B (zh) * 2015-09-22 2017-06-27 盐城开元医药化工有限公司 一种头孢唑肟母核7‑anca的合成方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3929775A (en) * 1970-12-08 1975-12-30 Takeda Chemical Industries Ltd Process for producing cephalosporin derivatives
US3883518A (en) * 1972-05-15 1975-05-13 Merck & Co Inc 3-Methylene cephalosporins

Also Published As

Publication number Publication date
CA1069119A (en) 1980-01-01
US4081595A (en) 1978-03-28
FR2331564B1 (enExample) 1979-02-23
CH606005A5 (enExample) 1978-10-13
FR2331564A1 (fr) 1977-06-10
DE2651509A1 (de) 1977-05-18
JPS611434B2 (enExample) 1986-01-17
GB1529598A (en) 1978-10-25
JPS5259186A (en) 1977-05-16

Similar Documents

Publication Publication Date Title
DE2560239C2 (de) 2,3-Dioxopiperazinderivate und Verfahren zu deren Herstellung
CH631437A5 (de) Verfahren zur herstellung neuer buttersaeurederivate.
DE2632872C2 (de) Verfahren zur Herstellung von 2- und 3-Cephem-4-carbonsäure-Verbindungen
EP2435441B1 (de) Verfahren zur herstellung von ceftobiprol medocaril
EP0081674A1 (de) Zwischenprodukte, Verfahren zu deren Herstellung und Verfahren zur Herstellung von Cephalosporinen
DE2824004A1 (de) Verfahren zur herstellung einer 7-substituierten-3-cephem-4-carbonsaeure
DE3434096A1 (de) Neues verfahren zur herstellung von cephalosporinen
DE2147023A1 (de) Verfahren zur herstellung von 1htetrazol-verbindungen
DE2651509C2 (de) Verfahren zur Herstellung von 3-Cephemverbindungen
DE2318852C3 (de) Verfahren zur Herstellung von 7-Acylamido-3-halogen-3-methyl--cepham-4-carbonsäureestern
DE1953861C2 (de) 7-Tetrazolylacetamido-3-thiomethyl-3-cephem-4- carbonsäuren
DE69031222T2 (de) Verfahren zur herstellung einer 3-substituierten thio-3-cephemverbindung
DE2205144B2 (de) Azetidino [3,2-d] zu thiazole und Verfahren zu ihrer Herstellung
DE2540374A1 (de) Verfahren zur herstellung von cefazolin
DE2804040A1 (de) Verfahren zur herstellung von cephemverbindungen
DE2532723A1 (de) Verfahren zur herstellung von 7-aminocephalosporansaeure und ihrer derivate
DE2215039A1 (de) Neue Acyloxyalkylesterderivate von Penicillin und Cephalosporin
DE2065708C3 (de) 3-Halogenmethyl-Ä3-cephalosporinsulfoxidester und Verfahren zu ihrer Herstellung
DE3619562A1 (de) Verfahren zur herstellung von 2,3-dioxo-4-oxicarbonylpiperazinderivaten, neue 2,3-dioxo-4-oxicarbonylpiperazinderivate und deren verwendung
DE2155406A1 (de) 3-(2-Halogenphenyl-5-tetrazolyl)propionsäureamide
DE2337105A1 (de) Antibiotika und verfahren zu ihrer herstellung
DE60035925T2 (de) Verfahren zur Herstellung von Cephalosporin-Derivaten
DE2721731C2 (de) Verfahren zur Herstellung eines N-geschützten Cephalosporin-C-Diesters
DE2810803C2 (de) Verfahren zur Herstellung von Cephalosporinestern
CH627756A5 (en) Process for the preparation of 3-acyloxymethylcephem compounds

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8128 New person/name/address of the agent

Representative=s name: SPOTT, G., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW., 800

D2 Grant after examination
8364 No opposition during term of opposition