GB8418032D0 - Preparation of pyrethroids - Google Patents

Preparation of pyrethroids

Info

Publication number
GB8418032D0
GB8418032D0 GB848418032A GB8418032A GB8418032D0 GB 8418032 D0 GB8418032 D0 GB 8418032D0 GB 848418032 A GB848418032 A GB 848418032A GB 8418032 A GB8418032 A GB 8418032A GB 8418032 D0 GB8418032 D0 GB 8418032D0
Authority
GB
United Kingdom
Prior art keywords
pyrethroids
preparation
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.)
Granted
Application number
GB848418032A
Other versions
GB2142634B (en
GB2142634A (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 GB8418032D0 publication Critical patent/GB8418032D0/en
Publication of GB2142634A publication Critical patent/GB2142634A/en
Application granted granted Critical
Publication of GB2142634B publication Critical patent/GB2142634B/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)
GB08418032A 1981-02-02 1984-07-16 Intermediates useful for the preparation of pyrethroids Expired GB2142634B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19462/81A IT1135265B (en) 1981-02-02 1981-02-02 PROCESS FOR THE PREPARATION OF INTERMEDIATES FOR PYRETROIDS

Publications (3)

Publication Number Publication Date
GB8418032D0 true GB8418032D0 (en) 1984-08-22
GB2142634A GB2142634A (en) 1985-01-23
GB2142634B GB2142634B (en) 1985-09-04

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 Before (1)

Application Number Title Priority Date Filing Date
GB8202785A Expired GB2092578B (en) 1981-02-02 1982-02-01 Process for the preparation of pyrethroid intermediates

Country Status (6)

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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2638356A1 (en) * 1976-08-26 1978-03-02 Bayer Ag METHOD FOR PRODUCING VINYL-SUBSTITUTED CYCLOPROPANCARBONIC ACID ESTERS
DE2813337A1 (en) * 1977-03-31 1978-10-05 Ciba Geigy Ag PROCESS FOR THE PREPARATION OF 2- (2 ', 2', 2'-TRIHALOGENAETHYL) -4-HALOGENCYCLOBUTAN1-ONE
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
FR2499070A1 (en) 1982-08-06
IT8119462A0 (en) 1981-02-02
FR2508031A1 (en) 1982-12-24
IT1135265B (en) 1986-08-20
GB2092578A (en) 1982-08-18
GB2142634B (en) 1985-09-04
GB2092578B (en) 1985-03-13
FR2499070B1 (en) 1985-02-01
CH651009A5 (en) 1985-08-30
JPS57146733A (en) 1982-09-10
DE3203379A1 (en) 1982-10-21
FR2508031B1 (en) 1984-01-20
GB2142634A (en) 1985-01-23

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Legal Events

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