GB2161803B - Intermediates for b-lactam antibiotics - Google Patents

Intermediates for b-lactam antibiotics

Info

Publication number
GB2161803B
GB2161803B GB08514519A GB8514519A GB2161803B GB 2161803 B GB2161803 B GB 2161803B GB 08514519 A GB08514519 A GB 08514519A GB 8514519 A GB8514519 A GB 8514519A GB 2161803 B GB2161803 B GB 2161803B
Authority
GB
United Kingdom
Prior art keywords
intermediates
lactam antibiotics
lactam
antibiotics
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
GB08514519A
Other versions
GB2161803A (en
GB8514519D0 (en
Inventor
Peter Henry Milner
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.)
Beecham Group PLC
Original Assignee
Beecham Group PLC
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
Priority claimed from GB08221059A external-priority patent/GB2107307B/en
Application filed by Beecham Group PLC filed Critical Beecham Group PLC
Priority to GB08514519A priority Critical patent/GB2161803B/en
Publication of GB8514519D0 publication Critical patent/GB8514519D0/en
Publication of GB2161803A publication Critical patent/GB2161803A/en
Application granted granted Critical
Publication of GB2161803B publication Critical patent/GB2161803B/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
    • C07D241/02—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings
    • C07D241/06—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having one or two double bonds between ring members or between ring members and non-ring members
    • C07D241/08—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having one or two double bonds between ring members or between ring members and non-ring members with oxygen atoms directly attached to ring carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/06—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2
    • C07D311/08—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring
    • C07D311/12—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 3 and unsubstituted in position 7
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D463/00—Heterocyclic compounds containing 1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbacephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
    • C07D463/10—Heterocyclic compounds containing 1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbacephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring with 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
    • C07D463/14—Heterocyclic compounds containing 1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbacephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring with 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 with hetero atoms directly attached in position 7
    • C07D463/16—Nitrogen atoms
    • C07D463/18—Nitrogen atoms further acylated by radicals derived from carboxylic acids or by nitrogen or sulfur analogues thereof
    • C07D463/20—Nitrogen atoms further acylated by radicals derived from carboxylic acids or by nitrogen or sulfur analogues thereof with the acylating radicals further substituted by hetero atoms or by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D505/00—Heterocyclic compounds containing 5-oxa-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. oxacephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Cephalosporin Compounds (AREA)
GB08514519A 1981-07-25 1985-06-07 Intermediates for b-lactam antibiotics Expired GB2161803B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08514519A GB2161803B (en) 1981-07-25 1985-06-07 Intermediates for b-lactam antibiotics

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
GB8123033 1981-07-25
GB8123034 1981-07-25
GB8136823 1981-12-07
GB8136824 1981-12-07
GB8207966 1982-03-18
GB8209954 1982-04-03
GB8209953 1982-04-03
GB8215007 1982-05-22
GB08221059A GB2107307B (en) 1981-07-25 1982-07-21 B-lactum antibacterial agents
GB08514519A GB2161803B (en) 1981-07-25 1985-06-07 Intermediates for b-lactam antibiotics

Publications (3)

Publication Number Publication Date
GB8514519D0 GB8514519D0 (en) 1985-07-10
GB2161803A GB2161803A (en) 1986-01-22
GB2161803B true GB2161803B (en) 1986-07-23

Family

ID=27579361

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08514519A Expired GB2161803B (en) 1981-07-25 1985-06-07 Intermediates for b-lactam antibiotics

Country Status (1)

Country Link
GB (1) GB2161803B (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1348984A (en) * 1970-06-16 1974-03-27 Merck & Co Inc Antibiotics and processes for their production
CA1018968A (en) * 1972-12-06 1977-10-11 Joseph E. Dolfini Method for preparing 7-substituted cephalosporins by replacement of o- or s-containing groups
US3962214A (en) * 1974-07-11 1976-06-08 Eli Lilly And Company Process for preparing amino substituted β-lactam antibiotics

Also Published As

Publication number Publication date
GB2161803A (en) 1986-01-22
GB8514519D0 (en) 1985-07-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920721