DE2707104A1 - Verfahren zur herstellung von 3,3- dimethyl-4-(2,2-dihalogenvinyl)-4-hydroxybuttersaeure-1,4-lactonen - Google Patents

Verfahren zur herstellung von 3,3- dimethyl-4-(2,2-dihalogenvinyl)-4-hydroxybuttersaeure-1,4-lactonen

Info

Publication number
DE2707104A1
DE2707104A1 DE19772707104 DE2707104A DE2707104A1 DE 2707104 A1 DE2707104 A1 DE 2707104A1 DE 19772707104 DE19772707104 DE 19772707104 DE 2707104 A DE2707104 A DE 2707104A DE 2707104 A1 DE2707104 A1 DE 2707104A1
Authority
DE
Germany
Prior art keywords
general formula
acid
methyl
sulfuric acid
reaction
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Withdrawn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
DE19772707104
Other languages
German (de)
English (en)
Inventor
Fumio Fujita
Nobushige Itaya
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co 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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Publication of DE2707104A1 publication Critical patent/DE2707104A1/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Withdrawn legal-status Critical Current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
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/20—Unsaturated compounds containing keto groups bound to acyclic carbon atoms
    • C07C49/227—Unsaturated compounds containing keto groups bound to acyclic carbon atoms containing halogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Furan Compounds (AREA)
DE19772707104 1976-02-19 1977-02-18 Verfahren zur herstellung von 3,3- dimethyl-4-(2,2-dihalogenvinyl)-4-hydroxybuttersaeure-1,4-lactonen Withdrawn DE2707104A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1758076A JPS52100463A (en) 1976-02-19 1976-02-19 Gamma-lactone and method of preparing same

Publications (1)

Publication Number Publication Date
DE2707104A1 true DE2707104A1 (de) 1977-09-01

Family

ID=11947837

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772707104 Withdrawn DE2707104A1 (de) 1976-02-19 1977-02-18 Verfahren zur herstellung von 3,3- dimethyl-4-(2,2-dihalogenvinyl)-4-hydroxybuttersaeure-1,4-lactonen

Country Status (7)

Country Link
US (1) US4083855A (enExample)
JP (1) JPS52100463A (enExample)
CH (1) CH629789A5 (enExample)
DE (1) DE2707104A1 (enExample)
FR (1) FR2341574A1 (enExample)
GB (1) GB1525547A (enExample)
NL (1) NL7701724A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010288A1 (de) * 1978-10-16 1980-04-30 Dr. Willmar Schwabe GmbH & Co. Verfahren zur Herstellung von Tetronsäuremethylester

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
GB1561502A (en) * 1975-07-22 1980-02-20 Kuraray Co Y-lactone derivatives
DE2710174A1 (de) * 1977-03-09 1978-09-14 Bayer Ag Verfahren zur herstellung von dihalogenvinyl-cyclopropancarbonsaeuren und deren ester
DE3171470D1 (en) * 1980-05-30 1985-08-29 Shell Int Research Process for the preparation of dihalomethylene-lactones

Family Cites Families (2)

* 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
FR2145773A5 (enExample) * 1971-07-09 1973-02-23 Roure Bertrand Dupont Sa

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010288A1 (de) * 1978-10-16 1980-04-30 Dr. Willmar Schwabe GmbH & Co. Verfahren zur Herstellung von Tetronsäuremethylester

Also Published As

Publication number Publication date
GB1525547A (en) 1978-09-20
FR2341574A1 (fr) 1977-09-16
JPS52100463A (en) 1977-08-23
FR2341574B1 (enExample) 1979-08-17
CH629789A5 (de) 1982-05-14
NL7701724A (nl) 1977-08-23
US4083855A (en) 1978-04-11

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Legal Events

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