GB9102996D0 - Process for preparing azetidin-2-in one derivatives - Google Patents

Process for preparing azetidin-2-in one derivatives

Info

Publication number
GB9102996D0
GB9102996D0 GB919102996A GB9102996A GB9102996D0 GB 9102996 D0 GB9102996 D0 GB 9102996D0 GB 919102996 A GB919102996 A GB 919102996A GB 9102996 A GB9102996 A GB 9102996A GB 9102996 D0 GB9102996 D0 GB 9102996D0
Authority
GB
United Kingdom
Prior art keywords
azetidin
derivatives
preparing
preparing azetidin
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Withdrawn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
GB919102996A
Other versions
GB2252769A (en
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.)
Pfizer Inc
Original Assignee
Pfizer Inc
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 US07/644,189 external-priority patent/US5075439A/en
Application filed by Pfizer Inc filed Critical Pfizer Inc
Publication of GB9102996D0 publication Critical patent/GB9102996D0/en
Publication of GB2252769A publication Critical patent/GB2252769A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D205/00—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom
    • C07D205/02—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings
    • C07D205/06—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D205/08—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams
    • C07D205/09—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams with a sulfur atom directly attached in position 4
    • C07D205/095—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams with a sulfur atom directly attached in position 4 and with a nitrogen atom directly attached in position 3
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02—Silicon compounds
    • C07F7/08—Compounds having one or more C—Si linkages
    • C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
    • C07F7/1804—Compounds having Si-O-C linkages

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
GB9102996A 1991-01-18 1991-02-13 Improved process for azetidin-2-ones and intermediates therefor Withdrawn GB2252769A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/644,189 US5075439A (en) 1990-08-17 1991-01-18 Processes for (3S,4R)-3-[1(R)-t-butyl-dimethylsilyloxy)-ethyl]-4-[1-oxo-3-thiolanylthio(thiocarbonyl)thio]azetidin-2-ones and intermediates therefor

Publications (2)

Publication Number Publication Date
GB9102996D0 true GB9102996D0 (en) 1991-03-27
GB2252769A GB2252769A (en) 1992-08-19

Family

ID=24583831

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9102996A Withdrawn GB2252769A (en) 1991-01-18 1991-02-13 Improved process for azetidin-2-ones and intermediates therefor

Country Status (1)

Country Link
GB (1) GB2252769A (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55153789A (en) * 1979-04-11 1980-11-29 Sankyo Co Ltd Penem-3-carboxylic acid derivative and its preparation
GB8321004D0 (en) * 1983-08-04 1983-09-07 Erba Farmitalia Azetidinones

Also Published As

Publication number Publication date
GB2252769A (en) 1992-08-19

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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)