IT1135265B - Processo per la preparazione di intermedi per piretroidi - Google Patents

Processo per la preparazione di intermedi per piretroidi

Info

Publication number
IT1135265B
IT1135265B IT19462/81A IT1946281A IT1135265B IT 1135265 B IT1135265 B IT 1135265B IT 19462/81 A IT19462/81 A IT 19462/81A IT 1946281 A IT1946281 A IT 1946281A IT 1135265 B IT1135265 B IT 1135265B
Authority
IT
Italy
Prior art keywords
pyretroids
intermediates
preparation
Prior art date
Application number
IT19462/81A
Other languages
English (en)
Other versions
IT8119462A0 (it
Inventor
Giuseppe Caprara
Franco Gozzo
Giuseppe Paparatto
Lamberto Roberti
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
Priority to IT19462/81A priority Critical patent/IT1135265B/it
Publication of IT8119462A0 publication Critical patent/IT8119462A0/it
Priority to FR8201467A priority patent/FR2499070A1/fr
Priority to JP57013437A priority patent/JPS57146733A/ja
Priority to GB8202785A priority patent/GB2092578B/en
Priority to CH620/82A priority patent/CH651009A5/it
Priority to DE19823203379 priority patent/DE3203379A1/de
Priority to FR8210318A priority patent/FR2508031A1/fr
Priority to GB08418032A priority patent/GB2142634B/en
Application granted granted Critical
Publication of IT1135265B publication Critical patent/IT1135265B/it

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)
IT19462/81A 1981-02-02 1981-02-02 Processo per la preparazione di intermedi per piretroidi IT1135265B (it)

Priority Applications (8)

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
FR8201467A FR2499070A1 (fr) 1981-02-02 1982-01-29 Procede de preparation d'acide 2,2-dimethyl-3-(b-fluoro-b-trifluoromethyl-vinyl)-cyclopropanecarboxylique, et son utilisation en tant qu'intermediaire de la preparation de pyrethroides
JP57013437A JPS57146733A (en) 1981-02-02 1982-02-01 Manufacture of pyrethroid intermediate
GB8202785A GB2092578B (en) 1981-02-02 1982-02-01 Process for the preparation of pyrethroid intermediates
CH620/82A CH651009A5 (it) 1981-02-02 1982-02-01 Processo per la preparazione dell'acido 2,2-dimetil-3 (beta-fluoro-beta-trifluorometil-vinil)-ciclopropancarbossilico.
DE19823203379 DE3203379A1 (de) 1981-02-02 1982-02-02 Verfahren zur herstellung von 2,2-dimethyl-3-(ss-fluor-ss-trifluormethylvinyl)-cyclopropancarbonsaeure und zwischenprodukte in diesem verfahren
FR8210318A FR2508031A1 (fr) 1981-02-02 1982-06-14 Nouveaux derives de la 2-(2', 3', 3', 3'-tetra-fluoropropyl)-3,3-dimethyl-cyclobutanone
GB08418032A GB2142634B (en) 1981-02-02 1984-07-16 Intermediates useful for the preparation of pyrethroids

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
IT8119462A0 IT8119462A0 (it) 1981-02-02
IT1135265B true IT1135265B (it) 1986-08-20

Family

ID=11158219

Family Applications (1)

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

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
FI780930A (fi) * 1977-03-31 1978-10-01 Ciba Geigy Ag Foerfarande foer framstaellning av 2-(2'2'2'-trihalogenetyl)-4-halogencyklobutan-1-oner de medelst foerfarandet framstaellda produkterna och deras anvaendning samt de foer deras framstaellning anvaenda mellanprodukterna
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
GB2142634A (en) 1985-01-23
FR2499070B1 (it) 1985-02-01
GB8418032D0 (en) 1984-08-22
DE3203379A1 (de) 1982-10-21
GB2092578A (en) 1982-08-18
JPS57146733A (en) 1982-09-10
GB2092578B (en) 1985-03-13
GB2142634B (en) 1985-09-04
IT8119462A0 (it) 1981-02-02
FR2499070A1 (fr) 1982-08-06
CH651009A5 (it) 1985-08-30
FR2508031B1 (it) 1984-01-20
FR2508031A1 (fr) 1982-12-24

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