IT1135265B - Processo per la preparazione di intermedi per piretroidi - Google Patents
Processo per la preparazione di intermedi per piretroidiInfo
- 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
Links
- 239000000543 intermediate Substances 0.000 title 1
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)
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 |
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. |
GB8202785A GB2092578B (en) | 1981-02-02 | 1982-02-01 | Process for the preparation of pyrethroid intermediates |
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)
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 |
-
1981
- 1981-02-02 IT IT19462/81A patent/IT1135265B/it active
-
1982
- 1982-01-29 FR FR8201467A patent/FR2499070A1/fr active Granted
- 1982-02-01 JP JP57013437A patent/JPS57146733A/ja active Pending
- 1982-02-01 CH CH620/82A patent/CH651009A5/it not_active IP Right Cessation
- 1982-02-01 GB GB8202785A patent/GB2092578B/en not_active Expired
- 1982-02-02 DE DE19823203379 patent/DE3203379A1/de not_active Ceased
- 1982-06-14 FR FR8210318A patent/FR2508031A1/fr active Granted
-
1984
- 1984-07-16 GB GB08418032A patent/GB2142634B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2092578A (en) | 1982-08-18 |
FR2499070A1 (fr) | 1982-08-06 |
GB2142634A (en) | 1985-01-23 |
JPS57146733A (en) | 1982-09-10 |
FR2499070B1 (it) | 1985-02-01 |
FR2508031B1 (it) | 1984-01-20 |
DE3203379A1 (de) | 1982-10-21 |
GB2092578B (en) | 1985-03-13 |
IT8119462A0 (it) | 1981-02-02 |
CH651009A5 (it) | 1985-08-30 |
GB2142634B (en) | 1985-09-04 |
GB8418032D0 (en) | 1984-08-22 |
FR2508031A1 (fr) | 1982-12-24 |
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