DE2709529C2 - Verfahren zur Herstellung von 3-Methylencepham-Verbindungen - Google Patents

Verfahren zur Herstellung von 3-Methylencepham-Verbindungen

Info

Publication number
DE2709529C2
DE2709529C2 DE2709529A DE2709529A DE2709529C2 DE 2709529 C2 DE2709529 C2 DE 2709529C2 DE 2709529 A DE2709529 A DE 2709529A DE 2709529 A DE2709529 A DE 2709529A DE 2709529 C2 DE2709529 C2 DE 2709529C2
Authority
DE
Germany
Prior art keywords
compounds
general formula
methylenceepham
preparation
acid
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
DE2709529A
Other languages
German (de)
English (en)
Other versions
DE2709529A1 (de
Inventor
Eric M. West Trenton N.J. Gordon
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.)
ER Squibb and Sons LLC
Original Assignee
ER Squibb and Sons LLC
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 ER Squibb and Sons LLC filed Critical ER Squibb and Sons LLC
Publication of DE2709529A1 publication Critical patent/DE2709529A1/de
Application granted granted Critical
Publication of DE2709529C2 publication Critical patent/DE2709529C2/de
Expired legal-status Critical Current

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
    • C07D501/08—Preparation by forming the ring or condensed ring systems
    • C07D501/10—Preparation by forming the ring or condensed ring systems from compounds containing the penicillin ring system
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Molecular Biology (AREA)
  • Cephalosporin Compounds (AREA)
DE2709529A 1976-03-15 1977-03-04 Verfahren zur Herstellung von 3-Methylencepham-Verbindungen Expired DE2709529C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/666,989 US4375397A (en) 1976-03-15 1976-03-15 Process for preparing 3-methylene cephalosporins

Publications (2)

Publication Number Publication Date
DE2709529A1 DE2709529A1 (de) 1977-09-22
DE2709529C2 true DE2709529C2 (de) 1986-01-02

Family

ID=24676364

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2709529A Expired DE2709529C2 (de) 1976-03-15 1977-03-04 Verfahren zur Herstellung von 3-Methylencepham-Verbindungen

Country Status (12)

Country Link
US (1) US4375397A (OSRAM)
JP (1) JPS52111592A (OSRAM)
BE (1) BE852469A (OSRAM)
CA (1) CA1062654A (OSRAM)
CH (1) CH597239A5 (OSRAM)
DE (1) DE2709529C2 (OSRAM)
DK (1) DK155008C (OSRAM)
FR (1) FR2344561A1 (OSRAM)
GB (1) GB1579296A (OSRAM)
HU (1) HU172544B (OSRAM)
IE (1) IE45116B1 (OSRAM)
NL (1) NL7702342A (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4190724A (en) * 1978-11-13 1980-02-26 Eli Lilly And Company Process for 3-exomethylenecepham sulfoxides
US4966443A (en) * 1988-02-22 1990-10-30 Fuji Photo Film Co., Ltd. Light beam scanner
JPH023451U (OSRAM) * 1988-06-16 1990-01-10

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2265798C2 (de) * 1971-06-24 1985-09-26 Fujisawa Pharmaceutical Co., Ltd., Osaka Verfahren zur Herstellung von Oxoazetidin-Derivaten
US3898142A (en) * 1972-03-24 1975-08-05 Schering Corp Photolytic cyclization of an amino-keto acylate

Also Published As

Publication number Publication date
BE852469A (fr) 1977-09-15
NL7702342A (nl) 1977-09-19
DE2709529A1 (de) 1977-09-22
IE45116B1 (en) 1982-06-30
CH597239A5 (OSRAM) 1978-03-31
IE45116L (en) 1977-09-15
DK155008C (da) 1989-06-12
CA1062654A (en) 1979-09-18
US4375397A (en) 1983-03-01
GB1579296A (en) 1980-11-19
JPS52111592A (en) 1977-09-19
FR2344561A1 (fr) 1977-10-14
JPS6120554B2 (OSRAM) 1986-05-22
DK106677A (da) 1977-09-16
HU172544B (hu) 1978-09-28
DK155008B (da) 1989-01-23

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: TAUCHNER, P., DIPL.-CHEM. DR.RER.NAT. HEUNEMANN, D., DIPL.-PHYS. DR.RER.NAT. RAUH, P., DIPL.-CHEM. DR.RER.NAT. HERMANN, G., DIPL.-PHYS. DR.RER.NAT. SCHMIDT, J., DIPL.-ING. JAENICHEN, H., DIPL.-BIOL. DR.RER.NAT., PAT.-ANWAELTE TREMMEL, H., RECHTSANW., 8000 MUENCHEN

8339 Ceased/non-payment of the annual fee