BR0111586A - Composto, e, processo para a preparação de 5-(4-clorobenzil)-2,2dimetilciclopentanona - Google Patents

Composto, e, processo para a preparação de 5-(4-clorobenzil)-2,2dimetilciclopentanona

Info

Publication number
BR0111586A
BR0111586A BR0111586-3A BR0111586A BR0111586A BR 0111586 A BR0111586 A BR 0111586A BR 0111586 A BR0111586 A BR 0111586A BR 0111586 A BR0111586 A BR 0111586A
Authority
BR
Brazil
Prior art keywords
chlorobenzyl
dimethylcyclopentanone
cyano
compound
dimethyl
Prior art date
Application number
BR0111586-3A
Other languages
English (en)
Inventor
George S K Wong
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Publication of BR0111586A publication Critical patent/BR0111586A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C07C255/45—Carboxylic acid nitriles having cyano groups bound to carbon atoms of rings other than six-membered aromatic rings
    • C07C255/46—Carboxylic acid nitriles having cyano groups bound to carbon atoms of rings other than six-membered aromatic rings to carbon atoms of non-condensed rings
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/587—Unsaturated compounds containing a keto groups being part of a ring
    • C07C49/687—Unsaturated compounds containing a keto groups being part of a ring containing halogen
    • C07C49/697—Unsaturated compounds containing a keto groups being part of a ring containing halogen containing six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/06—Systems containing only non-condensed rings with a five-membered ring
    • C07C2601/08—Systems containing only non-condensed rings with a five-membered ring the ring being saturated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

"COMPOSTO, E, PROCESSO PARA A PREPARAçãO DE 5-(4-CLOROBENZIL)-2,2-DIMETILCICLOPENTANONA". Um processo para a preparação de 2,2-dimetil-5-(4-clorobenzil) ciclopentanona (I) pela reação de isobutironitrila com 1-bromo-3-cloro-propano na presença de uma primeira base em um solvente não-polar para fornecer 5-cloro-2,2-dimetilpentanonitrila; tratar a referida 5-cloro-2,2-dimetilpentanonitrila com um reagente de fornecimento de cianeto na presença de um catalisador de transferência de fase para formar 2,2-dimetiladiponitrila; ciclizar a referida 2,2-dimetiladiponitrila, na presença de uma segunda base, em um solvente não-polar, para fornecer 3,3- dimetil-amino-1-cianociclopenteno; hidrolisar o referido 3,3-dimetil-2-amino-1-cianociclopenteno na presença de um ácido para fornecer 5-ciano-2,2-dimetilciclopentanona; tratar a referida 5-ciano2,2-dimetilciclopentanona com cloreto de 4-clorobenzila na presença de uma terceira base em um solvente polar aprótico para formar 5(4-clorobenzil)-5-ciano-2,2-dimetilciclopentanona; e hidrolisar a referida 5-(4-clorobenzil)-5ciano-2,2-dimetil-ciclopentanona, na presença de um ácido, para fornecer a 5(4-clorobenzil)-2,2-dimetilciclopentanona desejada; o composto 5-(4-clorobenzil)-5-ciano-2,2-dimetilciclopentano.
BR0111586-3A 2000-06-12 2001-06-11 Composto, e, processo para a preparação de 5-(4-clorobenzil)-2,2dimetilciclopentanona BR0111586A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US21076800P 2000-06-12 2000-06-12
PCT/EP2001/006578 WO2002000608A2 (en) 2000-06-12 2001-06-11 A process for the preparation of 2,2-dimethyl-5-(4-chlorobenzyl) cyclopentanone and an intermediate useful therefor

Publications (1)

Publication Number Publication Date
BR0111586A true BR0111586A (pt) 2003-05-06

Family

ID=22784187

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0111586-3A BR0111586A (pt) 2000-06-12 2001-06-11 Composto, e, processo para a preparação de 5-(4-clorobenzil)-2,2dimetilciclopentanona

Country Status (13)

Country Link
US (1) US6344580B1 (pt)
EP (1) EP1289938B1 (pt)
JP (1) JP2004501894A (pt)
KR (1) KR20030029055A (pt)
AT (1) ATE266629T1 (pt)
AU (1) AU2001275678A1 (pt)
BR (1) BR0111586A (pt)
DE (1) DE60103274T2 (pt)
DK (1) DK1289938T3 (pt)
ES (1) ES2220785T3 (pt)
HU (1) HUP0302818A3 (pt)
IL (1) IL152836A0 (pt)
WO (1) WO2002000608A2 (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL154207A0 (en) * 2000-08-11 2003-07-31 Kureha Chemical Ind Co Ltd Process for the preparation of 5-[(4-chlorophenyl)-methyl]-2,2-dimethylcyclopentanone
AU2003293308A1 (en) 2003-09-17 2005-04-27 Carl Zeiss Smt Ag Masks, lithography device and semiconductor component
WO2005058860A1 (ja) * 2003-12-19 2005-06-30 Ube Industries, Ltd. ４−置換又は非置換テトラヒドロピラン−４−カルボン酸化合物又はそのエステル化合物の製法
CN102204546B (zh) * 2011-04-16 2014-02-05 陕西汤普森生物科技有限公司 一种含噻呋酰胺与三唑类化合物的杀菌组合物
WO2012169468A1 (ja) 2011-06-07 2012-12-13 株式会社クレハ シクロペンタノン化合物の製造方法、および中間体化合物
US9278966B2 (en) 2011-06-07 2016-03-08 Kureha Corporation Method for manufacturing oxetane compound, method for manufacturing azolylmethylcyclopentanol compound, and intermediate compound
CN107365262B (zh) * 2016-05-11 2019-10-29 杭州宇龙化工有限公司 一种5,5-二甲基-2-氰基环戊酮的制备方法
CN114773279B (zh) * 2022-04-13 2023-12-05 浙江工业大学 一种叶菌唑的新合成方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0625140B2 (ja) 1986-11-10 1994-04-06 呉羽化学工業株式会社 新規アゾール誘導体、その製造方法及び該誘導体の農園芸用薬剤
US5239089A (en) * 1986-11-10 1993-08-24 Kureha Kagaku Kogyo Kabushiki Kaisha Oxirane derivatives useful for making fungicidal azole compounds
JPH07138234A (ja) * 1993-11-11 1995-05-30 Kureha Chem Ind Co Ltd アゾリルメチルシクロアルカノール誘導体の製造方法
JPH08245517A (ja) 1995-03-10 1996-09-24 Kureha Chem Ind Co Ltd アルキルシクロペンタノン誘導体の製造方法

Also Published As

Publication number Publication date
ES2220785T3 (es) 2004-12-16
AU2001275678A1 (en) 2002-01-08
ATE266629T1 (de) 2004-05-15
DE60103274D1 (de) 2004-06-17
KR20030029055A (ko) 2003-04-11
WO2002000608A3 (en) 2002-05-30
HUP0302818A2 (hu) 2004-01-28
EP1289938A2 (en) 2003-03-12
IL152836A0 (en) 2003-06-24
US6344580B1 (en) 2002-02-05
DK1289938T3 (da) 2004-06-28
JP2004501894A (ja) 2004-01-22
DE60103274T2 (de) 2004-09-02
WO2002000608A2 (en) 2002-01-03
HUP0302818A3 (en) 2005-01-28
US20020013489A1 (en) 2002-01-31
EP1289938B1 (en) 2004-05-12

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 5A, 6A E 7A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO PUBLICADO NA RPI 1963 DE 19.08.2008.