NL7804535A - PROCESS FOR PREPARING CEFEM COMPOUNDS. - Google Patents

PROCESS FOR PREPARING CEFEM COMPOUNDS.

Info

Publication number
NL7804535A
NL7804535A NL7804535A NL7804535A NL7804535A NL 7804535 A NL7804535 A NL 7804535A NL 7804535 A NL7804535 A NL 7804535A NL 7804535 A NL7804535 A NL 7804535A NL 7804535 A NL7804535 A NL 7804535A
Authority
NL
Netherlands
Prior art keywords
cefem compounds
preparing
preparing cefem
compounds
cefem
Prior art date
Application number
NL7804535A
Other languages
Dutch (nl)
Original Assignee
Takeda Chemical Industries 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 Takeda Chemical Industries Ltd filed Critical Takeda Chemical Industries Ltd
Publication of NL7804535A publication Critical patent/NL7804535A/en

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
    • C07D499/00—Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
    • C07D499/21—Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring with a nitrogen atom directly attached in position 6 and a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2
    • C07D499/42—Compounds with a free primary amino radical attached in position 6

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)
NL7804535A 1977-04-27 1978-04-27 PROCESS FOR PREPARING CEFEM COMPOUNDS. NL7804535A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4927677A JPS53135996A (en) 1977-04-27 1977-04-27 Preparation of cephalosporin compounds

Publications (1)

Publication Number Publication Date
NL7804535A true NL7804535A (en) 1978-10-31

Family

ID=12826317

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7804535A NL7804535A (en) 1977-04-27 1978-04-27 PROCESS FOR PREPARING CEFEM COMPOUNDS.

Country Status (7)

Country Link
JP (1) JPS53135996A (en)
CA (1) CA1102791A (en)
DE (1) DE2818025A1 (en)
ES (1) ES468942A1 (en)
FR (1) FR2388816A1 (en)
GB (1) GB1602876A (en)
NL (1) NL7804535A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4258183A (en) * 1979-04-06 1981-03-24 Glaxo Group Limited Process for the preparation of cephalosporin compounds
IL63207A (en) * 1980-07-24 1985-09-29 Lonza Ag Process for the preparation of 2-(2-aminothiazole-4-yl)-2-(syn)-methoxyiminoacetic acid esters
GB8320520D0 (en) * 1983-07-29 1983-09-01 Glaxo Group Ltd Chemical process
CN114014823B (en) * 2021-12-15 2023-07-07 山东金城医药化工有限公司 Preparation method of trans-northioxomate ethyl ester

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7216136A (en) * 1971-12-14 1973-06-18

Also Published As

Publication number Publication date
FR2388816B1 (en) 1981-07-24
CA1102791A (en) 1981-06-09
FR2388816A1 (en) 1978-11-24
DE2818025A1 (en) 1978-11-09
JPS53135996A (en) 1978-11-28
ES468942A1 (en) 1978-12-01
GB1602876A (en) 1981-11-18

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Legal Events

Date Code Title Description
BV The patent application has lapsed