DE2623777A1 - Verfahren zur herstellung von 2-oxotetrahydrofuranen - Google Patents

Verfahren zur herstellung von 2-oxotetrahydrofuranen

Info

Publication number
DE2623777A1
DE2623777A1 DE19762623777 DE2623777A DE2623777A1 DE 2623777 A1 DE2623777 A1 DE 2623777A1 DE 19762623777 DE19762623777 DE 19762623777 DE 2623777 A DE2623777 A DE 2623777A DE 2623777 A1 DE2623777 A1 DE 2623777A1
Authority
DE
Germany
Prior art keywords
formula
compound
chlorine
bromine
treatment
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Withdrawn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
DE19762623777
Other languages
German (de)
English (en)
Inventor
Ralph Alexander Prof Raphael
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial 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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of DE2623777A1 publication Critical patent/DE2623777A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/26—Heterocyclic compounds containing five-membered rings having one oxygen 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
    • C07D307/30—Heterocyclic compounds containing five-membered rings having one oxygen 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 hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D307/32—Oxygen atoms
    • C07D307/33—Oxygen atoms in position 2, the oxygen atom being in its keto or unsubstituted enol form
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/63—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by introduction of halogen; by substitution of halogen atoms by other halogen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/65—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/587—Unsaturated compounds containing a keto groups being part of a ring
    • C07C49/603—Unsaturated compounds containing a keto groups being part of a ring of a six-membered ring, e.g. quinone methides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Furan Compounds (AREA)
DE19762623777 1975-05-27 1976-05-26 Verfahren zur herstellung von 2-oxotetrahydrofuranen Withdrawn DE2623777A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB23153/75A GB1532985A (en) 1975-05-27 1975-05-27 Process for preparing vinyl substituted furan derivatives

Publications (1)

Publication Number Publication Date
DE2623777A1 true DE2623777A1 (de) 1976-12-09

Family

ID=10191030

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762623777 Withdrawn DE2623777A1 (de) 1975-05-27 1976-05-26 Verfahren zur herstellung von 2-oxotetrahydrofuranen

Country Status (9)

Country Link
US (1) US4102896A (enExample)
JP (1) JPS51143658A (enExample)
AU (1) AU511243B2 (enExample)
DE (1) DE2623777A1 (enExample)
FR (1) FR2312497A1 (enExample)
GB (1) GB1532985A (enExample)
NL (1) NL7605669A (enExample)
NZ (1) NZ180935A (enExample)
ZA (1) ZA763070B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4324725A (en) * 1979-09-19 1982-04-13 Basf Aktiengesellschaft Preparation of 5-(2,2-dihalovinyl)-4,4-dialkyl-tetrahydro-furan-2-ones

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1527989A (en) * 1975-07-11 1978-10-11 Ici Ltd 4-dihalovinyl-3,3-dimethylbutyrolactones and their use in the production of insecticides
GB1503857A (en) * 1976-05-25 1978-03-15 Cheminova As Production of chrysanthemic acid esters and homologues thereof
DE2740849A1 (de) * 1977-09-10 1979-03-22 Bayer Ag Verfahren zur herstellung von halogenvinylsubstituierten tetrahydrofuran-2-onen
DE2747824A1 (de) * 1977-10-26 1979-05-03 Bayer Ag Verfahren zur herstellung von halogenvinyl-gamma-butyrolactonen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3488732A (en) * 1967-02-21 1970-01-06 Mobil Oil Corp Heterocyclic ring compounds and preparation of same
US3946078A (en) * 1971-08-31 1976-03-23 Firmenich Sa Cycloaliphatic unsaturated ketones as odour- and taste-modifying agents
US3962148A (en) * 1975-07-03 1976-06-08 Givaudan Corporation Odorant compositions containing 4,4,6-trimethyl-2-cyclohexenone

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4324725A (en) * 1979-09-19 1982-04-13 Basf Aktiengesellschaft Preparation of 5-(2,2-dihalovinyl)-4,4-dialkyl-tetrahydro-furan-2-ones

Also Published As

Publication number Publication date
NL7605669A (nl) 1976-11-30
AU1429676A (en) 1977-12-01
GB1532985A (en) 1978-11-22
AU511243B2 (en) 1980-08-07
US4102896A (en) 1978-07-25
FR2312497A1 (fr) 1976-12-24
ZA763070B (en) 1977-07-27
JPS51143658A (en) 1976-12-10
NZ180935A (en) 1979-01-11
FR2312497B1 (enExample) 1980-03-14

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee