GB2092578B - Process for the preparation of pyrethroid intermediates - Google Patents

Process for the preparation of pyrethroid intermediates

Info

Publication number
GB2092578B
GB2092578B GB8202785A GB8202785A GB2092578B GB 2092578 B GB2092578 B GB 2092578B GB 8202785 A GB8202785 A GB 8202785A GB 8202785 A GB8202785 A GB 8202785A GB 2092578 B GB2092578 B GB 2092578B
Authority
GB
United Kingdom
Prior art keywords
preparation
pyrethroid
intermediates
pyrethroid intermediates
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
GB8202785A
Other languages
English (en)
Other versions
GB2092578A (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.)
Montedison SpA
Original Assignee
Montedison SpA
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 Montedison SpA filed Critical Montedison SpA
Publication of GB2092578A publication Critical patent/GB2092578A/en
Application granted granted Critical
Publication of GB2092578B publication Critical patent/GB2092578B/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C53/00—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen
    • C07C53/15—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen containing halogen
    • C07C53/19—Acids containing three or more carbon atoms
    • C07C53/21—Acids containing three or more carbon atoms containing fluorine
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/44—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by addition reactions, i.e. reactions involving at least one carbon-to-carbon double or triple bond
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/62—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring 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
    • C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
    • 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
    • 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
    • C07C45/67—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 isomerisation; by change of size of the carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/385—Saturated compounds containing a keto group being part of a ring
    • C07C49/457—Saturated compounds containing a keto group being part of a ring containing halogen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
    • C07C67/333—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton
    • C07C67/343—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C07C67/347—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by addition to unsaturated carbon-to-carbon bonds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/04—Systems containing only non-condensed rings with a four-membered ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
GB8202785A 1981-02-02 1982-02-01 Process for the preparation of pyrethroid intermediates Expired GB2092578B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19462/81A IT1135265B (it) 1981-02-02 1981-02-02 Processo per la preparazione di intermedi per piretroidi

Publications (2)

Publication Number Publication Date
GB2092578A GB2092578A (en) 1982-08-18
GB2092578B true GB2092578B (en) 1985-03-13

Family

ID=11158219

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8202785A Expired GB2092578B (en) 1981-02-02 1982-02-01 Process for the preparation of pyrethroid intermediates
GB08418032A Expired GB2142634B (en) 1981-02-02 1984-07-16 Intermediates useful for the preparation of pyrethroids

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB08418032A Expired GB2142634B (en) 1981-02-02 1984-07-16 Intermediates useful for the preparation of pyrethroids

Country Status (6)

Country Link
JP (1) JPS57146733A (it)
CH (1) CH651009A5 (it)
DE (1) DE3203379A1 (it)
FR (2) FR2499070A1 (it)
GB (2) GB2092578B (it)
IT (1) IT1135265B (it)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2638356A1 (de) * 1976-08-26 1978-03-02 Bayer Ag Verfahren zur herstellung vinylsubstituierter cyclopropancarbonsaeureester
DE2813337A1 (de) * 1977-03-31 1978-10-05 Ciba Geigy Ag Verfahren zur herstellung von 2-(2', 2',2'-trihalogenaethyl)-4-halogencyclobutan1-onen
US4255351A (en) * 1978-03-14 1981-03-10 Ciba-Geigy Corporation Sulfonic acid esters of 2,2,2-trichloroethylhydroxycyclobutanones
GB2031871B (en) * 1978-10-23 1983-01-19 Ciba Geigy Ag Process for the production of 2-(2'2'2'-tribromoethyl)-4-chlorocyclobutan-1-ones

Also Published As

Publication number Publication date
CH651009A5 (it) 1985-08-30
GB2092578A (en) 1982-08-18
FR2508031B1 (it) 1984-01-20
GB2142634A (en) 1985-01-23
FR2499070B1 (it) 1985-02-01
DE3203379A1 (de) 1982-10-21
GB2142634B (en) 1985-09-04
FR2499070A1 (fr) 1982-08-06
FR2508031A1 (fr) 1982-12-24
JPS57146733A (en) 1982-09-10
IT1135265B (it) 1986-08-20
GB8418032D0 (en) 1984-08-22
IT8119462A0 (it) 1981-02-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee