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BR9008041A - Processo para preparar um composto e para converter a,a,a'-tricloro-m-xileno em a,a,a,a'-tetracloro-m-xileno - Google Patents

Processo para preparar um composto e para converter a,a,a'-tricloro-m-xileno em a,a,a,a'-tetracloro-m-xileno

Info

Publication number
BR9008041A
BR9008041A BR909008041A BR9008041A BR9008041A BR 9008041 A BR9008041 A BR 9008041A BR 909008041 A BR909008041 A BR 909008041A BR 9008041 A BR9008041 A BR 9008041A BR 9008041 A BR9008041 A BR 9008041A
Authority
BR
Brazil
Prior art keywords
xylene
tetracloro
tricloro
convert
prepare
Prior art date
Application number
BR909008041A
Other languages
English (en)
Inventor
William L Schinski
Peter Denisevich Jr
Original Assignee
Chevron Res & Tech
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 Chevron Res & Tech filed Critical Chevron Res & Tech
Publication of BR9008041A publication Critical patent/BR9008041A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C07C255/01—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms
    • C07C255/32—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring
    • C07C255/35—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring the carbon skeleton being further substituted by halogen atoms, or by nitro or nitroso groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/10—Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms
    • C07C17/14—Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms in the side-chain of aromatic compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
    • C07C17/202—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
    • C07C17/202—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
    • C07C17/204—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction the other compound being a halogen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
    • C07C17/202—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
    • C07C17/206—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction the other compound being HX

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)
BR909008041A 1990-10-26 1990-10-26 Processo para preparar um composto e para converter a,a,a'-tricloro-m-xileno em a,a,a,a'-tetracloro-m-xileno BR9008041A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1990/006082 WO1992007820A1 (en) 1990-10-26 1990-10-26 Process for preparing 3-trifluoromethyl benzyl chloride

Publications (1)

Publication Number Publication Date
BR9008041A true BR9008041A (pt) 1993-08-24

Family

ID=22221109

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909008041A BR9008041A (pt) 1990-10-26 1990-10-26 Processo para preparar um composto e para converter a,a,a'-tricloro-m-xileno em a,a,a,a'-tetracloro-m-xileno

Country Status (7)

Country Link
US (1) US4966988A (pt)
EP (1) EP0563033B1 (pt)
AU (1) AU640964B2 (pt)
BR (1) BR9008041A (pt)
CA (1) CA2089271C (pt)
DE (1) DE69029587T2 (pt)
WO (1) WO1992007820A1 (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3638790B2 (ja) * 1998-04-27 2005-04-13 セントラル硝子株式会社 ビストリフルオロメチルベンゼンの製造方法
US7250533B2 (en) * 2005-05-16 2007-07-31 Teva Pharmaceutical Industries Ltd Process for preparing Cinacalcet hydrochloride
EP1975150A1 (en) * 2005-05-23 2008-10-01 Teva Pharmaceutical Industries Ltd. Cinacalcet salts
KR20080007376A (ko) * 2005-05-23 2008-01-18 테바 파마슈티컬 인더스트리즈 리미티드 무정형 시나칼셋 염산염 및 이의 제조
WO2007062147A1 (en) * 2005-11-22 2007-05-31 Teva Pharmaceutical Industries Ltd. Crystal forms of cinacalcet hci and processes for their preparation
TW200808297A (en) * 2006-04-27 2008-02-16 Teva Pharma Process for the preparation of cinacalcet base
US7393967B2 (en) * 2006-04-27 2008-07-01 Teva Pharmaceutical Industries Ltd. Process for the preparation of cinacalcet base
US20080146845A1 (en) * 2006-11-20 2008-06-19 Boaz Gome Process for preparing Cinacalcet
WO2009025792A2 (en) * 2007-08-16 2009-02-26 Teva Pharmaceutical Industries Ltd. Crystalline forms cinacalcet fumarate and cinacalcet succinate and processes for preparation thereof
WO2010103531A2 (en) 2009-03-09 2010-09-16 Megafine Pharma (P) Ltd. A new method for the preparation of cinacalcet and new intermediates thereof
EP2482855B1 (en) 2009-09-29 2017-12-27 Nektar Therapeutics Oligomer-calcimimetic conjugates and related compounds
US8722732B2 (en) 2009-09-29 2014-05-13 Nektar Therapeutics Oligomer-calcimimetic conjugates and related compounds
CN104447402B (zh) * 2014-11-27 2016-05-11 上海赫腾精细化工有限公司 间三氟甲基苯乙腈的制备方法

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA526939A (en) * 1956-06-26 Dengel Ferdinand Method of producing nitriles
US2005712A (en) * 1932-08-31 1935-06-18 Kinetic Chemicals Inc Organic fluorine compounds and process for the production thereof
DE668033C (de) * 1935-10-26 1938-11-25 I G Farbenindustrie Akt Ges Verfahren zur Herstellung von o-Trifluormethyldifluorchlormethylbenzolen bzw. o-Hexafluordimethylbenzolen
US2956084A (en) * 1959-03-27 1960-10-11 Exxon Research Engineering Co Process for chlorinating hydrocarbons using chlorine adsorbed on zeolite
US3136822A (en) * 1961-05-02 1964-06-09 Olin Mathieson Process for the preparation of benzotrifluoride
DE1443825A1 (de) * 1962-02-24 1969-12-18 Hoechst Ag Verfahren zur Herstellung von gegebenenfalls halogensubstituierten Mononitrobenzotrichloriden
US3363013A (en) * 1965-05-20 1968-01-09 Velsicol Chemical Corp Chlorination process
US3350467A (en) * 1966-04-20 1967-10-31 Diamond Alkali Co Method for side-chain chlorination of xylene
CA1029746A (en) * 1973-11-10 1978-04-18 Hoechst Aktiengesellschaft Process for preparing derivatives of benzene fluorinated in the lateral chains
DE2549095C3 (de) * 1975-11-03 1978-04-20 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von in den Seitenketten fluorierten und chlorierten Xylolen
US4163753A (en) * 1977-02-14 1979-08-07 Diaz Chemical Corporation Process for the simultaneous preparation of aromatic acid chlorides and aliphatic acid chlorides
DE2708190C2 (de) * 1977-02-25 1984-09-27 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von m-Brom-benzotrifluoriden
US4144265A (en) * 1978-07-17 1979-03-13 The Dow Chemical Company Process for the manufacture of m-trifluoromethyl benzyl nitrile
US4252624A (en) * 1979-04-24 1981-02-24 Eli Lilly And Company Bromination of m-ethyldiphenyl ether
JPS5610129A (en) * 1979-07-05 1981-02-02 Mitsubishi Gas Chem Co Inc Preparation of aromatic dialdehyde
JPS5620561A (en) * 1979-07-30 1981-02-26 Shell Int Research Manufacture of benzylcyanides
DE3106170C2 (de) * 1980-02-22 1984-06-20 Kureha Kagaku Kogyo K.K., Tokio/Tokyo 3,3,3-trifluorpropylierte Benzolderivate
US4360478A (en) * 1980-05-12 1982-11-23 Shell Oil Company Preparation of α-cyanobenzyl esters
US4367348A (en) * 1980-10-10 1983-01-04 Occidental Chemical Corporation Novel trifluoromethyl benzal chlorides and process for the preparation thereof
US4467125A (en) * 1983-06-10 1984-08-21 Monsanto Company Nitro-methyl or ethyl substituted benzotrifluoride
US4593144A (en) * 1984-01-23 1986-06-03 Monsanto Company Process for preparing substituted benzotrichloride compounds
DE3560943D1 (en) * 1984-01-23 1987-12-17 Monsanto Co A process for preparing substituted benzotrichloride compounds
US4568376A (en) * 1984-05-09 1986-02-04 Chevron Research Company Herbicidal 5-amino-3-oxo-4-(substituted-phenyl)-2,3-dihydrofuran and derivatives thereof
EP0165322B1 (de) * 1984-06-15 1988-01-20 LUDWIG HEUMANN & CO GMBH Verfahren zur Herstellung basisch substituierter Phenylacetonitrile
DE3717434C1 (de) * 1987-05-23 1988-09-15 Degussa Verfahren zur Herstellung von m-Trifluormethylphenylacetonitril

Also Published As

Publication number Publication date
CA2089271C (en) 2002-12-17
US4966988A (en) 1990-10-30
DE69029587T2 (de) 1997-04-24
EP0563033A1 (en) 1993-10-06
DE69029587D1 (de) 1997-02-13
EP0563033A4 (en) 1994-05-18
AU640964B2 (en) 1993-09-09
CA2089271A1 (en) 1992-04-27
EP0563033B1 (en) 1997-01-02
WO1992007820A1 (en) 1992-05-14
AU6607590A (en) 1992-05-26

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 26/10/2010