GB2129803A - Process for 1-oxa-b-lactams - Google Patents

Process for 1-oxa-b-lactams Download PDF

Info

Publication number
GB2129803A
GB2129803A GB08330282A GB8330282A GB2129803A GB 2129803 A GB2129803 A GB 2129803A GB 08330282 A GB08330282 A GB 08330282A GB 8330282 A GB8330282 A GB 8330282A GB 2129803 A GB2129803 A GB 2129803A
Authority
GB
United Kingdom
Prior art keywords
formula
benzyl
compound
protected
group
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.)
Withdrawn
Application number
GB08330282A
Other languages
English (en)
Other versions
GB8330282D0 (en
Inventor
David Alfred Hall
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.)
Eli Lilly and Co
Original Assignee
Eli Lilly and 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 Eli Lilly and Co filed Critical Eli Lilly and Co
Publication of GB8330282D0 publication Critical patent/GB8330282D0/en
Publication of GB2129803A publication Critical patent/GB2129803A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional [2D] plane, e.g. plate-heater
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/04—Antibacterial agents
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D1/00—Woven fabrics designed to make specified articles
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Textile Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Oncology (AREA)
  • Communicable Diseases (AREA)
  • Cephalosporin Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
GB08330282A 1982-11-16 1983-11-14 Process for 1-oxa-b-lactams Withdrawn GB2129803A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/442,080 US4458071A (en) 1982-11-16 1982-11-16 Process for 1-oxa-β-lactams

Publications (2)

Publication Number Publication Date
GB8330282D0 GB8330282D0 (en) 1983-12-21
GB2129803A true GB2129803A (en) 1984-05-23

Family

ID=23755471

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08330282A Withdrawn GB2129803A (en) 1982-11-16 1983-11-14 Process for 1-oxa-b-lactams

Country Status (9)

Country Link
US (1) US4458071A (enExample)
EP (1) EP0109302A1 (enExample)
JP (1) JPS59104390A (enExample)
KR (1) KR840006663A (enExample)
DK (1) DK518883A (enExample)
GB (1) GB2129803A (enExample)
GR (1) GR79030B (enExample)
HU (1) HU189774B (enExample)
IL (1) IL70220A0 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4574153A (en) * 1985-03-01 1986-03-04 E. R. Squibb & Sons, Inc. 8-Oxo-2-oxa-1-azabicyclo(4.2.0)octane-3-carboxylic acids
US5239068A (en) * 1987-07-31 1993-08-24 Eli Lilly And Company Bicyclic β-lactam antibiotics
US4983732A (en) * 1987-07-31 1991-01-08 Eli Lilly And Company Method of deprotection of 3-amino azetidinones
US5142039A (en) * 1987-07-31 1992-08-25 Eli Lilly And Company β-lactam antibiotics
ES2053743T3 (es) * 1987-07-31 1994-08-01 Lilly Co Eli Un procedimiento de desproteccion de 3-aminoazetidinonas.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1557552A (en) * 1977-02-15 1979-12-12 Shionogi & Co 1 oxadethiacepham compounds

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4150156A (en) * 1975-11-21 1979-04-17 Merck & Co., Inc. 7-(Substituted methyl)-3-(substituted thio)-cephalosporins, derivatives and pharmaceutical compositions containing them
US4293493A (en) * 1980-04-07 1981-10-06 Eli Lilly And Company Azetidinone alcohol disulfides and process for cyclization

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1557552A (en) * 1977-02-15 1979-12-12 Shionogi & Co 1 oxadethiacepham compounds

Also Published As

Publication number Publication date
DK518883D0 (da) 1983-11-14
DK518883A (da) 1984-05-17
US4458071A (en) 1984-07-03
HU189774B (en) 1986-07-28
JPS59104390A (ja) 1984-06-16
GR79030B (enExample) 1984-10-02
GB8330282D0 (en) 1983-12-21
IL70220A0 (en) 1984-02-29
KR840006663A (ko) 1984-12-01
EP0109302A1 (en) 1984-05-23

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)