CH618702A5 - - Google Patents

Download PDF

Info

Publication number
CH618702A5
CH618702A5 CH1481775A CH1481775A CH618702A5 CH 618702 A5 CH618702 A5 CH 618702A5 CH 1481775 A CH1481775 A CH 1481775A CH 1481775 A CH1481775 A CH 1481775A CH 618702 A5 CH618702 A5 CH 618702A5
Authority
CH
Switzerland
Prior art keywords
tert
group
carbon atoms
cephem
singlet
Prior art date
Application number
CH1481775A
Other languages
German (de)
English (en)
Inventor
Hiroaki Yanagisawa
Akiko Ando
Masami Fukushima
Hideo Nakao
Original Assignee
Sankyo Co
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 Sankyo Co filed Critical Sankyo Co
Publication of CH618702A5 publication Critical patent/CH618702A5/de

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
    • C07D501/18—7-Aminocephalosporanic or substituted 7-aminocephalosporanic acids
    • 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)
CH1481775A 1974-11-15 1975-11-14 CH618702A5 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49131761A JPS5159890A (en) 1974-11-15 1974-11-15 77 arukokishisefuarosuhorinjudotaino seizoho

Publications (1)

Publication Number Publication Date
CH618702A5 true CH618702A5 (ja) 1980-08-15

Family

ID=15065546

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1481775A CH618702A5 (ja) 1974-11-15 1975-11-14

Country Status (10)

Country Link
US (1) US4048155A (ja)
JP (1) JPS5159890A (ja)
CA (1) CA1059990A (ja)
CH (1) CH618702A5 (ja)
DE (1) DE2550867C2 (ja)
DK (1) DK155671C (ja)
FR (1) FR2291205A1 (ja)
GB (1) GB1488068A (ja)
NL (1) NL183650C (ja)
SE (1) SE431210B (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57188595A (en) * 1981-05-14 1982-11-19 Meiji Seika Kaisha Ltd 7alpha-methoxycephem compound and its preparation
EP0389176A3 (en) * 1989-03-18 1992-01-15 Beecham Group p.l.c. Beta-lactams and processes for their preparation
US8250924B2 (en) * 2008-04-22 2012-08-28 Rosemount Inc. Industrial process device utilizing piezoelectric transducer

Family Cites Families (8)

* 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
US3843641A (en) * 1971-11-29 1974-10-22 Merck & Co Inc Process for preparing penicillin and cephalosporin compounds
US3775410A (en) * 1971-11-29 1973-11-27 B Christensen Process for preparing cephalosporin compounds
YU36181B (en) * 1971-11-29 1982-02-25 Merck & Co Inc Process for obtaining 7-(2-thienylacetamido)-7-methoxy-3-carbamoyloxymethyl-3-cephem-4-carboxylates
DE2221035C2 (de) * 1972-04-28 1982-03-25 Merck & Co., Inc., 07065 Rahway, N.J. Verfahren zur Herstellung von substituierten 6-Iminopenicillinen und 7-Iminocephalosporinen
US3840532A (en) * 1972-05-01 1974-10-08 Lilly Co Eli Process for cleaving cephalosporin compounds
JPS554115B2 (ja) * 1973-09-07 1980-01-29
JPS557436B2 (ja) * 1974-04-03 1980-02-25

Also Published As

Publication number Publication date
US4048155A (en) 1977-09-13
DE2550867C2 (de) 1984-08-23
DK515875A (da) 1976-05-16
JPS5521753B2 (ja) 1980-06-12
DK155671B (da) 1989-05-01
FR2291205A1 (fr) 1976-06-11
DK155671C (da) 1989-09-25
NL7513423A (nl) 1976-05-18
FR2291205B1 (ja) 1979-06-01
NL183650C (nl) 1988-12-16
GB1488068A (en) 1977-10-05
SE7512830L (sv) 1976-05-16
NL183650B (nl) 1988-07-18
CA1059990A (en) 1979-08-07
DE2550867A1 (de) 1976-05-26
SE431210B (sv) 1984-01-23
JPS5159890A (en) 1976-05-25

Similar Documents

Publication Publication Date Title
CH648316A5 (de) Camptothecinderivate und verfahren zu ihrer herstellung.
DE2258278A1 (de) Verfahren zur herstellung substituierter cephalosporine
DE2258221C2 (de) Verfahren zur Herstellung von Penicillinen und Cepholosporinen mit einem weiteren Substituenten in 6- bzw. 7-Stellung
DD156533A5 (de) Verfahren zur herstellung von 3-iodmethylcephalosporinen
CH651049A5 (de) Verfahren zur herstellung von 3-alkoxymethylcephalosporansaeuren oder deren salzen.
DE2532975C2 (de) Verfahren zur Herstellung von 6-Methoxypenam- und 7-Methoxycephem-Verbindungen
CH618702A5 (ja)
DE2451931A1 (de) 7beta-acylamido-7alpha-methoxycephalosporine und verfahren zu ihrer herstellung
DE2241680C2 (de) 17-Hydroxy-7-alkoxycarbonyl-3-oxo-17α-pregn-4-en-21-carbonsäure-γ-Lactone und Verfahren und Zwischenprodukte zu ihrer Herstellung
DE2412598C2 (de) Verfahren zur Herstellung von 7-Alkoxycephalosporinen bzw. 6-Alkoxypenicillinen
DE2429166A1 (de) Verfahren zur selektiven spaltung der amidsaeurefunktion eines 7-(amidsaeure)cephalosporins
DE2534926A1 (de) Sauerstoffanaloge von cephalosporinen
DE3212613C2 (ja)
CH637135A5 (en) Cephalosporin derivatives and a process for their preparation
DD201303A5 (de) Verfahren zur herstellung von bistetrazolmethylthiolen
CH644865A5 (de) Cephalosporinderivate, verfahren zu ihrer herstellung und ihre verwendung als zwischenprodukte.
DE2237073C2 (de) Verfahren zur Herstellung von Pyrido [3,4-e] -as-triazinen sowie von deren Salzen
DE2555183A1 (de) Verfahren zur herstellung von 7-acylamido-3-methyl-3-cephem-4-carbonsaeureestern
EP0133670A2 (de) Verfahren zur Herstellung von 7-Acylamino-3-hydrocy-cephem-4-carbonsäuren und 7-Acylamino-3-hydroxy-1-de-thia-1-oxacephem-4-carbonsäuren
DE2810803C2 (de) Verfahren zur Herstellung von Cephalosporinestern
DD148953A5 (de) Verfahren zur herstellung von 4'-nitrobenzyl-7-phenoxyacetamido-3-hydroxy-3-cephem-4-carboxylat-solvaten
DE2221035A1 (de) Cephalosporin- und Penicillin-Zwischenprodukte
AT340592B (de) Verfahren zur herstellung von neuen dl-7-azidocephalosporinverbindungen
EP0175264B1 (de) Verfahren zur Herstellung von 2-Amino-3-cyano-5-dialkoxymethyl-pyrazinen und Zwischenprodukte für dieses Verfahren
DE3317317A1 (de) Mercaptotetrazolylalkanohydroxamsaeure-verbindungen, verfahren zu ihrer herstellung und arzneimittel

Legal Events

Date Code Title Description
PL Patent ceased