GB1295457A - - Google Patents

Info

Publication number
GB1295457A
GB1295457A GB1295457DA GB1295457A GB 1295457 A GB1295457 A GB 1295457A GB 1295457D A GB1295457D A GB 1295457DA GB 1295457 A GB1295457 A GB 1295457A
Authority
GB
United Kingdom
Prior art keywords
azetidinone
prepared
group
bromo
bromine
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
Other languages
English (en)
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 DE1807494A external-priority patent/DE1807494C3/de
Application filed filed Critical
Publication of GB1295457A publication Critical patent/GB1295457A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C265/00—Derivatives of isocyanic acid
    • C07C265/02—Derivatives of isocyanic acid having isocyanate groups bound to acyclic carbon atoms
    • C07C265/04—Derivatives of isocyanic acid having isocyanate groups bound to acyclic carbon atoms of a saturated carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/08—Preparation of derivatives of isocyanic acid from or via heterocyclic compounds, e.g. pyrolysis of furoxans
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C265/00—Derivatives of isocyanic acid
    • C07C265/02—Derivatives of isocyanic acid having isocyanate groups bound to acyclic carbon atoms
    • C07C265/06—Derivatives of isocyanic acid having isocyanate groups bound to acyclic carbon atoms of an unsaturated carbon skeleton
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B2200/00—Indexing scheme relating to specific properties of organic compounds
    • C07B2200/07—Optical isomers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB1295457D 1968-11-07 1969-11-07 Expired GB1295457A (cg-RX-API-DMAC10.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1807494A DE1807494C3 (de) 1967-05-09 1968-11-07 Optisch aktive ß-Brom-alkylisocyanate und Verfahren zu ihrer Herstellung

Publications (1)

Publication Number Publication Date
GB1295457A true GB1295457A (cg-RX-API-DMAC10.html) 1972-11-08

Family

ID=5712616

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1295457D Expired GB1295457A (cg-RX-API-DMAC10.html) 1968-11-07 1969-11-07

Country Status (4)

Country Link
US (1) US3775468A (cg-RX-API-DMAC10.html)
DK (1) DK123594B (cg-RX-API-DMAC10.html)
FR (1) FR2033199A6 (cg-RX-API-DMAC10.html)
GB (1) GB1295457A (cg-RX-API-DMAC10.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4321193A (en) * 1978-01-18 1982-03-23 The Dow Chemical Company Preparation of N-halo α,α-disubstituted β-lactams

Also Published As

Publication number Publication date
FR2033199A6 (cg-RX-API-DMAC10.html) 1970-12-04
US3775468A (en) 1973-11-27
DK123594B (da) 1972-07-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee