AR025233A1 - PROCESS TO PRODUCE 5 - [(4-CHLOROPHENYL) METHYL] -2,2-DIMETHYLCYCLOPENTANONE - Google Patents

PROCESS TO PRODUCE 5 - [(4-CHLOROPHENYL) METHYL] -2,2-DIMETHYLCYCLOPENTANONE

Info

Publication number
AR025233A1
AR025233A1 ARP000104172A ARP000104172A AR025233A1 AR 025233 A1 AR025233 A1 AR 025233A1 AR P000104172 A ARP000104172 A AR P000104172A AR P000104172 A ARP000104172 A AR P000104172A AR 025233 A1 AR025233 A1 AR 025233A1
Authority
AR
Argentina
Prior art keywords
methyl
chlorophenyl
dimethylcyclopentanone
dimethyl
acid
Prior art date
Application number
ARP000104172A
Other languages
Spanish (es)
Original Assignee
Kureha Corp
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 Kureha Corp filed Critical Kureha Corp
Publication of AR025233A1 publication Critical patent/AR025233A1/en

Links

Classifications

    • 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
    • C07C45/673—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 by change of size of the carbon skeleton
    • C07C45/676—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 by change of size of the carbon skeleton by elimination of carboxyl groups
    • 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

Abstract

Un proceso para producir 5-[(4-clorofenil)metil]-2,2-dimetilciclopentanona de la presente invencion que comprende: reaccionar el metil éster del ácido1-[(4-clorofenil) metil-3-metil-2-oxociclopentanocarboxílico o el etil éster del ácido 1-[(4-clorofenil)metil]-3-metil-2-oxociclopentano carboxílico conhidruro de sodio y haluro de metilo para obtener metil éster del ácido 1-[(4-clorofenil)metil-3,3-dimetil-2-oxociclopentanocarboxílico o el etil éster delácido 1-[(4-clorofenil)metil]-3,3-dimetil-2-oxociclopentano carboxílico; e hidrolizar el metil éster del ácido 1-[(4-clorofenil)metil]-3,3-dimetil-2-oxociclopentanocarboxílico o el etil éster del ácido 1-[(4-clorofenil)metil]-3,3-dimetil-2-oxociclopentanocarboxílico para obtener 5-[(4-clorofenil) metil]-2,2-dimetilciclopentanona. Tal proceso de la presente invencion puede producir 5-[(4-clorofenil)metil]-2,2-dimetilciclopentanona como un importante intermediarioen un fungicida para la agricultura o para la horticultura, con una alta calidad a una alta produccion.A process for producing 5 - [(4-chlorophenyl) methyl] -2,2-dimethylcyclopentanone of the present invention comprising: reacting the methyl ester of the 1- ([4-chlorophenyl) methyl-3-methyl-2-oxocyclopentanecarboxylic acid or 1 - [(4-chlorophenyl) methyl] -3-methyl-2-oxocyclopentane carboxylic acid ethyl ester and methyl halide ethyl ester to obtain methyl ester of 1 - [(4-chlorophenyl) methyl-3,3 acid -dimethyl-2-oxocyclopentanecarboxylic acid or ethyl ester 1 - [(4-chlorophenyl) methyl] -3,3-dimethyl-2-oxocyclopentane carboxylic acid; and hydrolyzing the 1 - [(4-chlorophenyl) methyl] -3,3-dimethyl-2-oxocyclopentanecarboxylic acid methyl ester or the 1 - [(4-chlorophenyl) methyl] -3,3-dimethyl- ethyl ester 2-oxocyclopentanecarboxylic acid to obtain 5 - [(4-chlorophenyl) methyl] -2,2-dimethylcyclopentanone. Such a process of the present invention can produce 5 - [(4-chlorophenyl) methyl] -2,2-dimethylcyclopentanone as an important intermediate in a fungicide for agriculture or horticulture, with high quality at high production.

ARP000104172A 1999-08-13 2000-08-11 PROCESS TO PRODUCE 5 - [(4-CHLOROPHENYL) METHYL] -2,2-DIMETHYLCYCLOPENTANONE AR025233A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26429299 1999-08-13

Publications (1)

Publication Number Publication Date
AR025233A1 true AR025233A1 (en) 2002-11-13

Family

ID=17401150

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP000104172A AR025233A1 (en) 1999-08-13 2000-08-11 PROCESS TO PRODUCE 5 - [(4-CHLOROPHENYL) METHYL] -2,2-DIMETHYLCYCLOPENTANONE

Country Status (12)

Country Link
JP (1) JP4979170B2 (en)
AR (1) AR025233A1 (en)
AU (1) AU2000264750A1 (en)
BR (1) BR0017310B1 (en)
HU (1) HUP0300723A3 (en)
IL (1) IL154207A (en)
IN (1) IN2005DE05932A (en)
PH (1) PH12000002167B1 (en)
PL (1) PL203074B1 (en)
TW (1) TW591012B (en)
UA (1) UA73364C2 (en)
WO (1) WO2001012580A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8975434B2 (en) 2011-06-07 2015-03-10 Kureha Corporation Method for producing cyclopentanone compound, and intermediate compound
WO2015075981A1 (en) * 2013-11-22 2015-05-28 株式会社クレハ Method for producing carbonyl compound

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0625140B2 (en) * 1986-11-10 1994-04-06 呉羽化学工業株式会社 Novel azole derivative, method for producing the same and agricultural / horticultural drug of the derivative
JP2637824B2 (en) * 1989-08-15 1997-08-06 呉羽化学工業株式会社 Novel azole-substituted cycloalkanol derivative, process for producing the same and agricultural / horticultural fungicide of the derivative
JPH0784413B2 (en) * 1991-09-18 1995-09-13 呉羽化学工業株式会社 3- (Unsubstituted or substituted benzyl) -1-alkyl-2-oxocyclopentanecarboxylic acid alkyl ester derivative, its production method, bactericide and use as intermediate
JPH08245517A (en) * 1995-03-10 1996-09-24 Kureha Chem Ind Co Ltd Production of alkylcyclopentanone derivative

Also Published As

Publication number Publication date
BR0017310B1 (en) 2011-10-04
JPWO0112580A1 (en) 2003-03-11
JP4979170B2 (en) 2012-07-18
TW591012B (en) 2004-06-11
HUP0300723A2 (en) 2003-09-29
WO2001012580A1 (en) 2001-02-22
PL203074B1 (en) 2009-08-31
HUP0300723A3 (en) 2006-06-28
UA73364C2 (en) 2005-07-15
PL362899A1 (en) 2004-11-02
BR0017310A (en) 2003-07-08
PH12000002167B1 (en) 2008-10-28
AU2000264750A1 (en) 2001-03-13
IN2005DE05932A (en) 2008-05-09
IL154207A (en) 2008-12-29

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Legal Events

Date Code Title Description
FG Grant, registration
FD Application declared void or lapsed, e.g., due to non-payment of fee